diff --git a/Source/Core/DolphinWX/MainNoGUI.cpp b/Source/Core/DolphinWX/MainNoGUI.cpp
index 2b966876e2..24d3875349 100644
--- a/Source/Core/DolphinWX/MainNoGUI.cpp
+++ b/Source/Core/DolphinWX/MainNoGUI.cpp
@@ -168,7 +168,7 @@ class PlatformX11 : public Platform
 
 		if (fullscreen)
 		{
-			X11Utils::EWMH_Fullscreen(dpy, _NET_WM_STATE_TOGGLE);
+			X11Utils::ToggleFullscreen(dpy);
 #if defined(HAVE_XRANDR) && HAVE_XRANDR
 			XRRConfig->ToggleDisplayMode(True);
 #endif
@@ -204,7 +204,7 @@ class PlatformX11 : public Platform
 					else if ((key == XK_Return) && (event.xkey.state & Mod1Mask))
 					{
 						fullscreen = !fullscreen;
-						X11Utils::EWMH_Fullscreen(dpy, _NET_WM_STATE_TOGGLE);
+						X11Utils::ToggleFullscreen(dpy);
 #if defined(HAVE_XRANDR) && HAVE_XRANDR
 						XRRConfig->ToggleDisplayMode(fullscreen);
 #endif
diff --git a/Source/Core/DolphinWX/X11Utils.cpp b/Source/Core/DolphinWX/X11Utils.cpp
index b1e1ddb0ff..d011a03556 100644
--- a/Source/Core/DolphinWX/X11Utils.cpp
+++ b/Source/Core/DolphinWX/X11Utils.cpp
@@ -24,12 +24,8 @@ extern char **environ;
 namespace X11Utils
 {
 
-void EWMH_Fullscreen(Display *dpy, int action)
+void ToggleFullscreen(Display *dpy)
 {
-	_assert_(action == _NET_WM_STATE_REMOVE ||
-	         action == _NET_WM_STATE_ADD ||
-	         action == _NET_WM_STATE_TOGGLE);
-
 	Window win = (Window)Core::GetWindowHandle();
 
 	// Init X event structure for _NET_WM_STATE_FULLSCREEN client message
@@ -38,7 +34,7 @@ void EWMH_Fullscreen(Display *dpy, int action)
 	event.xclient.message_type = XInternAtom(dpy, "_NET_WM_STATE", False);
 	event.xclient.window = win;
 	event.xclient.format = 32;
-	event.xclient.data.l[0] = action;
+	event.xclient.data.l[0] = _NET_WM_STATE_TOGGLE;
 	event.xclient.data.l[1] = XInternAtom(dpy, "_NET_WM_STATE_FULLSCREEN", False);
 
 	// Send the event
diff --git a/Source/Core/DolphinWX/X11Utils.h b/Source/Core/DolphinWX/X11Utils.h
index d0b5dc0292..461dfa470d 100644
--- a/Source/Core/DolphinWX/X11Utils.h
+++ b/Source/Core/DolphinWX/X11Utils.h
@@ -34,7 +34,7 @@
 namespace X11Utils
 {
 
-void EWMH_Fullscreen(Display *dpy, int action);
+void ToggleFullscreen(Display *dpy);
 #if defined(HAVE_WX) && HAVE_WX
 Window XWindowFromHandle(void *Handle);
 Display *XDisplayFromHandle(void *Handle);