diff --git a/src/game_mouse.cc b/src/game_mouse.cc
index f62fb21..053c456 100644
--- a/src/game_mouse.cc
+++ b/src/game_mouse.cc
@@ -831,6 +831,22 @@ void gameMouseRefresh()
     }
 }
 
+bool gameMouseClickOnInterfaceBar()
+{
+    Rect interfaceBarWindowRect;
+    windowGetRect(gInterfaceBarWindow, &interfaceBarWindowRect);
+
+    int interfaceBarWindowRectLeft = 0;
+    int interfaceBarWindowRectRight = _scr_size.right;
+
+    if (gInterfaceBarMode) {
+        interfaceBarWindowRectLeft = interfaceBarWindowRect.left;
+        interfaceBarWindowRectRight = interfaceBarWindowRect.right;
+    }
+
+    return _mouse_click_in(interfaceBarWindowRectLeft, interfaceBarWindowRect.top, interfaceBarWindowRectRight, interfaceBarWindowRect.bottom);
+}
+
 // 0x44BFA8
 void _gmouse_handle_event(int mouseX, int mouseY, int mouseState)
 {
@@ -852,8 +868,7 @@ void _gmouse_handle_event(int mouseX, int mouseY, int mouseState)
         }
     }
 
-    // TODO: allow clicking to the left and right of the INTERFACE_BAR if gInterfaceBarMode is enabled
-    if (!_mouse_click_in(0, 0, _scr_size.right - _scr_size.left, _scr_size.bottom - _scr_size.top - INTERFACE_BAR_HEIGHT)) {
+    if (gameMouseClickOnInterfaceBar()) {
         return;
     }
 
diff --git a/src/game_mouse.h b/src/game_mouse.h
index 5c70a19..2f68658 100644
--- a/src/game_mouse.h
+++ b/src/game_mouse.h
@@ -186,5 +186,6 @@ int _gmouse_3d_move_to(int x, int y, int elevation, Rect* a4);
 int gameMouseHandleScrolling(int x, int y, int cursor);
 void _gmouse_remove_item_outline(Object* object);
 int objectIsDoor(Object* object);
+bool gameMouseClickOnInterfaceBar();
 
 #endif /* GAME_MOUSE_H */