diff --git a/src/platforms/rcore_web.c b/src/platforms/rcore_web.c
index b0a145f67..5ba2623f2 100644
--- a/src/platforms/rcore_web.c
+++ b/src/platforms/rcore_web.c
@@ -321,7 +321,7 @@ void ToggleBorderlessWindowed(void)
                 Module.requestFullscreen(false, true);
                 setTimeout(function()
                 {
-                    canvas.style.width="unset";
+                    document.getElementById("canvas").style.width="unset";
                 }, 100);
             }, 100);
         );
diff --git a/src/platforms/rcore_web_emscripten.c b/src/platforms/rcore_web_emscripten.c
index ad26077f4..fc8e06939 100644
--- a/src/platforms/rcore_web_emscripten.c
+++ b/src/platforms/rcore_web_emscripten.c
@@ -285,7 +285,7 @@ void ToggleBorderlessWindowed(void)
                 Module.requestFullscreen(false, true);
                 setTimeout(function()
                 {
-                    canvas.style.width="unset";
+                    document.getElementById("canvas").style.width="unset";
                 }, 100);
             }, 100);
         );