diff --git a/Source/Core/Core/ConfigManager.cpp b/Source/Core/Core/ConfigManager.cpp
index 6fc09c46d5..225fe04a00 100644
--- a/Source/Core/Core/ConfigManager.cpp
+++ b/Source/Core/Core/ConfigManager.cpp
@@ -242,6 +242,7 @@ void SConfig::SaveInterfaceSettings(IniFile& ini)
 	interface->Set("ShowLogConfigWindow", m_InterfaceLogConfigWindow);
 	interface->Set("ExtendedFPSInfo", m_InterfaceExtendedFPSInfo);
 	interface->Set("ThemeName40", m_LocalCoreStartupParameter.theme_name);
+	interface->Set("PauseOnFocusLost", m_PauseOnFocusLost);
 }
 
 void SConfig::SaveHotkeySettings(IniFile& ini)
@@ -464,6 +465,7 @@ void SConfig::LoadInterfaceSettings(IniFile& ini)
 	interface->Get("ShowLogConfigWindow",     &m_InterfaceLogConfigWindow,                    false);
 	interface->Get("ExtendedFPSInfo",         &m_InterfaceExtendedFPSInfo,                    false);
 	interface->Get("ThemeName40",             &m_LocalCoreStartupParameter.theme_name,        "Clean");
+	interface->Get("PauseOnFocusLost",        &m_PauseOnFocusLost,                            false);
 }
 
 void SConfig::LoadHotkeySettings(IniFile& ini)
diff --git a/Source/Core/Core/ConfigManager.h b/Source/Core/Core/ConfigManager.h
index 80f0523208..cac39cbb31 100644
--- a/Source/Core/Core/ConfigManager.h
+++ b/Source/Core/Core/ConfigManager.h
@@ -103,6 +103,8 @@ struct SConfig : NonCopyable
 	bool m_DumpFramesSilent;
 	bool m_ShowInputDisplay;
 
+	bool m_PauseOnFocusLost;
+
 	// DSP settings
 	bool m_DSPEnableJIT;
 	bool m_DSPCaptureLog;
diff --git a/Source/Core/DolphinWX/ConfigMain.cpp b/Source/Core/DolphinWX/ConfigMain.cpp
index 19f2ebbe8f..841b4fa53b 100644
--- a/Source/Core/DolphinWX/ConfigMain.cpp
+++ b/Source/Core/DolphinWX/ConfigMain.cpp
@@ -154,6 +154,7 @@ EVT_SLIDER(ID_VOLUME, CConfigMain::AudioSettingsChanged)
 EVT_CHECKBOX(ID_INTERFACE_CONFIRMSTOP, CConfigMain::DisplaySettingsChanged)
 EVT_CHECKBOX(ID_INTERFACE_USEPANICHANDLERS, CConfigMain::DisplaySettingsChanged)
 EVT_CHECKBOX(ID_INTERFACE_ONSCREENDISPLAYMESSAGES, CConfigMain::DisplaySettingsChanged)
+EVT_CHECKBOX(ID_INTERFACE_PAUSEONFOCUSLOST, CConfigMain::DisplaySettingsChanged)
 EVT_CHOICE(ID_INTERFACE_LANG, CConfigMain::DisplaySettingsChanged)
 EVT_BUTTON(ID_HOTKEY_CONFIG, CConfigMain::DisplaySettingsChanged)
 
@@ -354,6 +355,7 @@ void CConfigMain::InitializeGUIValues()
 	ConfirmStop->SetValue(startup_params.bConfirmStop);
 	UsePanicHandlers->SetValue(startup_params.bUsePanicHandlers);
 	OnScreenDisplayMessages->SetValue(startup_params.bOnScreenDisplayMessages);
+	PauseOnFocusLost->SetValue(SConfig::GetInstance().m_PauseOnFocusLost);
 	// need redesign
 	for (unsigned int i = 0; i < sizeof(langIds) / sizeof(wxLanguage); i++)
 	{
@@ -486,6 +488,7 @@ void CConfigMain::InitializeGUITooltips()
 	ConfirmStop->SetToolTip(_("Show a confirmation box before stopping a game."));
 	UsePanicHandlers->SetToolTip(_("Show a message box when a potentially serious error has occurred.\nDisabling this may avoid annoying and non-fatal messages, but it may result in major crashes having no explanation at all."));
 	OnScreenDisplayMessages->SetToolTip(_("Display messages over the emulation screen area.\nThese messages include memory card writes, video backend and CPU information, and JIT cache clearing."));
+	PauseOnFocusLost->SetToolTip(_("Pauses the emulator when focus is taken away from the emulation window."));
 
 	InterfaceLang->SetToolTip(_("Change the language of the user interface.\nRequires restart."));
 
@@ -577,6 +580,7 @@ void CConfigMain::CreateGUIControls()
 	ConfirmStop = new wxCheckBox(DisplayPage, ID_INTERFACE_CONFIRMSTOP, _("Confirm on Stop"));
 	UsePanicHandlers = new wxCheckBox(DisplayPage, ID_INTERFACE_USEPANICHANDLERS, _("Use Panic Handlers"));
 	OnScreenDisplayMessages = new wxCheckBox(DisplayPage, ID_INTERFACE_ONSCREENDISPLAYMESSAGES, _("On-Screen Display Messages"));
+	PauseOnFocusLost = new wxCheckBox(DisplayPage, ID_INTERFACE_PAUSEONFOCUSLOST, _("Pause on Focus Lost"));
 
 	wxBoxSizer* sInterface = new wxBoxSizer(wxHORIZONTAL);
 	sInterface->Add(TEXT_BOX(DisplayPage, _("Language:")), 0, wxALIGN_CENTER_VERTICAL | wxALL, 5);
@@ -623,6 +627,7 @@ void CConfigMain::CreateGUIControls()
 	sbInterface->Add(ConfirmStop, 0, wxALL, 5);
 	sbInterface->Add(UsePanicHandlers, 0, wxALL, 5);
 	sbInterface->Add(OnScreenDisplayMessages, 0, wxALL, 5);
+	sbInterface->Add(PauseOnFocusLost, 0, wxALL, 5);
 	sbInterface->Add(scInterface, 0, wxEXPAND | wxALL, 5);
 	sbInterface->Add(sInterface, 0, wxEXPAND | wxALL, 5);
 	sDisplayPage = new wxBoxSizer(wxVERTICAL);
@@ -938,6 +943,9 @@ void CConfigMain::DisplaySettingsChanged(wxCommandEvent& event)
 		SConfig::GetInstance().m_LocalCoreStartupParameter.bOnScreenDisplayMessages = OnScreenDisplayMessages->IsChecked();
 		SetEnableAlert(OnScreenDisplayMessages->IsChecked());
 		break;
+	case ID_INTERFACE_PAUSEONFOCUSLOST:
+		SConfig::GetInstance().m_PauseOnFocusLost = PauseOnFocusLost->IsChecked();
+		break;
 	case ID_INTERFACE_LANG:
 		if (SConfig::GetInstance().m_InterfaceLanguage != langIds[InterfaceLang->GetSelection()])
 			SuccessAlertT("You must restart Dolphin in order for the change to take effect.");
diff --git a/Source/Core/DolphinWX/ConfigMain.h b/Source/Core/DolphinWX/ConfigMain.h
index ef7265ad9f..0e65f06f56 100644
--- a/Source/Core/DolphinWX/ConfigMain.h
+++ b/Source/Core/DolphinWX/ConfigMain.h
@@ -99,6 +99,7 @@ private:
 		ID_INTERFACE_CONFIRMSTOP,
 		ID_INTERFACE_USEPANICHANDLERS,
 		ID_INTERFACE_ONSCREENDISPLAYMESSAGES,
+		ID_INTERFACE_PAUSEONFOCUSLOST,
 		ID_INTERFACE_LANG,
 		ID_HOTKEY_CONFIG,
 
@@ -170,6 +171,7 @@ private:
 	wxCheckBox* ConfirmStop;
 	wxCheckBox* UsePanicHandlers;
 	wxCheckBox* OnScreenDisplayMessages;
+	wxCheckBox* PauseOnFocusLost;
 	wxChoice* InterfaceLang;
 	wxButton* HotkeyConfig;
 
diff --git a/Source/Core/DolphinWX/Frame.cpp b/Source/Core/DolphinWX/Frame.cpp
index dc95d0d7e8..f143d5faa0 100644
--- a/Source/Core/DolphinWX/Frame.cpp
+++ b/Source/Core/DolphinWX/Frame.cpp
@@ -1176,6 +1176,33 @@ void CFrame::OnMouse(wxMouseEvent& event)
 	event.Skip();
 }
 
+void CFrame::OnFocusChange(wxFocusEvent& event)
+{
+	if (SConfig::GetInstance().m_PauseOnFocusLost)
+	{
+		if (RendererHasFocus())
+		{
+			if (Core::GetState() == Core::CORE_PAUSE)
+			{
+				Core::SetState(Core::CORE_RUN);
+				if (SConfig::GetInstance().m_LocalCoreStartupParameter.bHideCursor)
+					m_RenderParent->SetCursor(wxCURSOR_BLANK);
+			}
+		}
+		else
+		{
+			if (Core::GetState() == Core::CORE_RUN)
+			{
+				Core::SetState(Core::CORE_PAUSE);
+				if (SConfig::GetInstance().m_LocalCoreStartupParameter.bHideCursor)
+					m_RenderParent->SetCursor(wxNullCursor);
+				Core::UpdateTitle();
+			}
+		}
+		UpdateGUI();
+	}
+}
+
 void CFrame::DoFullscreen(bool enable_fullscreen)
 {
 	if (g_Config.bExclusiveMode && Core::GetState() == Core::CORE_PAUSE)
diff --git a/Source/Core/DolphinWX/Frame.h b/Source/Core/DolphinWX/Frame.h
index 74bab5bbdb..dff539f7c9 100644
--- a/Source/Core/DolphinWX/Frame.h
+++ b/Source/Core/DolphinWX/Frame.h
@@ -334,6 +334,8 @@ private:
 
 	void OnMouse(wxMouseEvent& event); // Mouse
 
+	void OnFocusChange(wxFocusEvent& event);
+
 	void OnHostMessage(wxCommandEvent& event);
 
 	void OnMemcard(wxCommandEvent& event); // Misc
diff --git a/Source/Core/DolphinWX/FrameTools.cpp b/Source/Core/DolphinWX/FrameTools.cpp
index 31d366a55a..65689012dd 100644
--- a/Source/Core/DolphinWX/FrameTools.cpp
+++ b/Source/Core/DolphinWX/FrameTools.cpp
@@ -1073,13 +1073,15 @@ void CFrame::StartGame(const std::string& filename)
 
 		m_RenderParent->SetFocus();
 
-		wxTheApp->Bind(wxEVT_KEY_DOWN,    &CFrame::OnKeyDown, this);
-		wxTheApp->Bind(wxEVT_KEY_UP,      &CFrame::OnKeyUp,   this);
-		wxTheApp->Bind(wxEVT_RIGHT_DOWN,  &CFrame::OnMouse,   this);
-		wxTheApp->Bind(wxEVT_RIGHT_UP,    &CFrame::OnMouse,   this);
-		wxTheApp->Bind(wxEVT_MIDDLE_DOWN, &CFrame::OnMouse,   this);
-		wxTheApp->Bind(wxEVT_MIDDLE_UP,   &CFrame::OnMouse,   this);
-		wxTheApp->Bind(wxEVT_MOTION,      &CFrame::OnMouse,   this);
+		wxTheApp->Bind(wxEVT_KEY_DOWN,     &CFrame::OnKeyDown,     this);
+		wxTheApp->Bind(wxEVT_KEY_UP,       &CFrame::OnKeyUp,       this);
+		wxTheApp->Bind(wxEVT_RIGHT_DOWN,   &CFrame::OnMouse,       this);
+		wxTheApp->Bind(wxEVT_RIGHT_UP,     &CFrame::OnMouse,       this);
+		wxTheApp->Bind(wxEVT_MIDDLE_DOWN,  &CFrame::OnMouse,       this);
+		wxTheApp->Bind(wxEVT_MIDDLE_UP,    &CFrame::OnMouse,       this);
+		wxTheApp->Bind(wxEVT_MOTION,       &CFrame::OnMouse,       this);
+		wxTheApp->Bind(wxEVT_SET_FOCUS,    &CFrame::OnFocusChange, this);
+		wxTheApp->Bind(wxEVT_KILL_FOCUS,   &CFrame::OnFocusChange, this);
 		m_RenderParent->Bind(wxEVT_SIZE, &CFrame::OnRenderParentResize, this);
 	}