diff --git a/platform/javascript/os_javascript.cpp b/platform/javascript/os_javascript.cpp
index f9ed752835a..4c8d8a4205c 100644
--- a/platform/javascript/os_javascript.cpp
+++ b/platform/javascript/os_javascript.cpp
@@ -231,7 +231,7 @@ OS::VideoMode OS_JavaScript::get_video_mode(int p_screen) const {
 	return default_videomode;
 }
 
-Size2 OS_JavaScript::get_screen_size(int p_screen) const {
+Size2 OS_JavaScript::get_window_size() const {
 
 	return Vector2(default_videomode.width,default_videomode.height);
 }
diff --git a/platform/javascript/os_javascript.h b/platform/javascript/os_javascript.h
index 681d85475c6..2e9c8e14c2e 100644
--- a/platform/javascript/os_javascript.h
+++ b/platform/javascript/os_javascript.h
@@ -127,7 +127,7 @@ public:
 	virtual VideoMode get_video_mode(int p_screen=0) const;
 	virtual void get_fullscreen_mode_list(List<VideoMode> *p_list,int p_screen=0) const;
 
-	virtual Size2 get_screen_size(int p_screen=0) const;
+	virtual Size2 get_window_size() const;
 	virtual String get_name();
 	virtual MainLoop *get_main_loop() const;