diff --git a/source/shared_lib/include/platform/sdl/platform_util.h b/source/shared_lib/include/platform/sdl/platform_util.h
index 9813dc0ed..8b49988d5 100644
--- a/source/shared_lib/include/platform/sdl/platform_util.h
+++ b/source/shared_lib/include/platform/sdl/platform_util.h
@@ -101,6 +101,7 @@ void getFullscreenVideoInfo(int &colorBits,int &screenWidth,int &screenHeight);
 bool changeVideoMode(int resH, int resW, int colorBits, int refreshFrequency);
 void restoreVideoMode();
 
+bool EndsWith(const string &str, const string& key);
 void message(string message);
 bool ask(string message);
 void exceptionMessage(const exception &excp);