diff --git a/src/video/emscripten/SDL_emscriptenframebuffer.c b/src/video/emscripten/SDL_emscriptenframebuffer.c
index 520bd7600a..3500ad44cf 100644
--- a/src/video/emscripten/SDL_emscriptenframebuffer.c
+++ b/src/video/emscripten/SDL_emscriptenframebuffer.c
@@ -97,7 +97,7 @@ int Emscripten_UpdateWindowFramebuffer(_THIS, SDL_Window *window, const SDL_Rect
             SDL3.data8 = new Uint8Array(data.buffer);
             SDL3.data32Data = data;
         }
-        var data32 = SDL2.data32;
+        var data32 = SDL3.data32;
         num = data32.length;
         // logically we need to do
         //      while (dst < num) {