diff --git a/include/winuser.h b/include/winuser.h
index aa66ceddc6a..0a9e31d8460 100644
--- a/include/winuser.h
+++ b/include/winuser.h
@@ -2825,7 +2825,7 @@ LONG        WINAPI GetMessageTime(void);
 DWORD       WINAPI GetTickCount(void);
 ATOM        WINAPI GlobalDeleteAtom(ATOM);
 DWORD       WINAPI OemKeyScan(WORD);
-VOID        WINAPI ReleaseCapture(void);
+BOOL        WINAPI ReleaseCapture(void);
 VOID        WINAPI SetKeyboardState(LPBYTE);
 VOID        WINAPI WaitMessage(VOID);
 
diff --git a/windows/input.c b/windows/input.c
index 3ddee0896e5..17233d7b18d 100644
--- a/windows/input.c
+++ b/windows/input.c
@@ -371,9 +371,9 @@ HWND WINAPI SetCapture( HWND hwnd )
 /**********************************************************************
  *              ReleaseCapture   (USER.19) (USER32.439)
  */
-void WINAPI ReleaseCapture(void)
+BOOL WINAPI ReleaseCapture(void)
 {
-    EVENT_Capture( 0, 0 );
+    return (EVENT_Capture( 0, 0 ) != 0);
 }