diff --git a/desktop_version/src/main.cpp b/desktop_version/src/main.cpp
index fc4ef3f2..7b2b75a8 100644
--- a/desktop_version/src/main.cpp
+++ b/desktop_version/src/main.cpp
@@ -355,7 +355,7 @@ static void inline deltaloop(void);
 static void cleanup(void);
 
 #ifdef __EMSCRIPTEN__
-void emscriptenloop(void)
+static void emscriptenloop(void)
 {
     timePrev = time_;
     time_ = SDL_GetTicks();