diff --git a/ControllerUSB/include/Controllers/Dualshock3Controller.h b/ControllerUSB/include/Controllers/Dualshock3Controller.h
index c3552f8..4315b50 100644
--- a/ControllerUSB/include/Controllers/Dualshock3Controller.h
+++ b/ControllerUSB/include/Controllers/Dualshock3Controller.h
@@ -126,7 +126,7 @@ private:
     IUSBEndpoint *m_outPipe = nullptr;
     IUSBInterface *m_interface = nullptr;
 
-    Dualshock3ButtonData m_buttonData;
+    Dualshock3ButtonData m_buttonData{};
 
 public:
     Dualshock3Controller(std::unique_ptr<IUSBDevice> &&interface);
diff --git a/ControllerUSB/include/Controllers/Dualshock4Controller.h b/ControllerUSB/include/Controllers/Dualshock4Controller.h
index 8736425..791787b 100644
--- a/ControllerUSB/include/Controllers/Dualshock4Controller.h
+++ b/ControllerUSB/include/Controllers/Dualshock4Controller.h
@@ -144,7 +144,7 @@ private:
     IUSBEndpoint *m_inPipe = nullptr;
     IUSBEndpoint *m_outPipe = nullptr;
 
-    Dualshock4USBButtonData m_buttonData;
+    Dualshock4USBButtonData m_buttonData{};
 
 public:
     Dualshock4Controller(std::unique_ptr<IUSBDevice> &&interface);
diff --git a/ControllerUSB/include/Controllers/Xbox360Controller.h b/ControllerUSB/include/Controllers/Xbox360Controller.h
index be514af..0490ea0 100644
--- a/ControllerUSB/include/Controllers/Xbox360Controller.h
+++ b/ControllerUSB/include/Controllers/Xbox360Controller.h
@@ -86,7 +86,7 @@ private:
     IUSBEndpoint *m_inPipe = nullptr;
     IUSBEndpoint *m_outPipe = nullptr;
 
-    Xbox360ButtonData m_buttonData;
+    Xbox360ButtonData m_buttonData{};
 
 public:
     Xbox360Controller(std::unique_ptr<IUSBDevice> &&interface);
diff --git a/ControllerUSB/include/Controllers/Xbox360WirelessController.h b/ControllerUSB/include/Controllers/Xbox360WirelessController.h
index 1e016b4..d7325d9 100644
--- a/ControllerUSB/include/Controllers/Xbox360WirelessController.h
+++ b/ControllerUSB/include/Controllers/Xbox360WirelessController.h
@@ -18,7 +18,7 @@ private:
     IUSBEndpoint *m_inPipe = nullptr;
     IUSBEndpoint *m_outPipe = nullptr;
 
-    Xbox360ButtonData m_buttonData;
+    Xbox360ButtonData m_buttonData{};
 
     bool m_presence = false;
 
diff --git a/ControllerUSB/include/Controllers/XboxController.h b/ControllerUSB/include/Controllers/XboxController.h
index a4a982f..2beae26 100644
--- a/ControllerUSB/include/Controllers/XboxController.h
+++ b/ControllerUSB/include/Controllers/XboxController.h
@@ -56,7 +56,7 @@ private:
     IUSBEndpoint *m_inPipe = nullptr;
     IUSBEndpoint *m_outPipe = nullptr;
 
-    XboxButtonData m_buttonData;
+    XboxButtonData m_buttonData{};
 
 public:
     XboxController(std::unique_ptr<IUSBDevice> &&interface);
diff --git a/ControllerUSB/include/Controllers/XboxOneController.h b/ControllerUSB/include/Controllers/XboxOneController.h
index cacd32e..00dc36f 100644
--- a/ControllerUSB/include/Controllers/XboxOneController.h
+++ b/ControllerUSB/include/Controllers/XboxOneController.h
@@ -78,7 +78,7 @@ private:
     IUSBEndpoint *m_inPipe = nullptr;
     IUSBEndpoint *m_outPipe = nullptr;
 
-    XboxOneButtonData m_buttonData;
+    XboxOneButtonData m_buttonData{};
     bool m_GuidePressed{false};
 
 public: