diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0e56acc8..2cbf8deb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -115,7 +115,7 @@ jobs:
           xcodebuild -downloadPlatform iOS
 
       - name: Setup Emscripten
-        uses: mymindstorm/setup-emsdk@master
+        uses: emscripten-core/setup-emsdk@v15
         if: ${{ matrix.emsdk }}
 
       - name: Setup ninja
diff --git a/ISLE/emscripten/emscripten.patch b/ISLE/emscripten/emscripten.patch
index a24a67bd..9ad4ffdd 100644
--- a/ISLE/emscripten/emscripten.patch
+++ b/ISLE/emscripten/emscripten.patch
@@ -184,7 +184,7 @@ index 572694517..44e65c823 100644
 +    console.log("disableOpfs: " + Module["disableOpfs"]);
 +  })();
 +
-+  Module["disableOffscreenCanvases"] ||= !document.createElement('canvas').getContext('webgl');
++  Module["disableOffscreenCanvases"] ||= !document.createElement('canvas').getContext('webgl2');
 +  console.log("disableOffscreenCanvases: " + Module["disableOffscreenCanvases"]);
 +}
 +