diff --git a/NEW_RELEASE_NOTES.md b/NEW_RELEASE_NOTES.md
index 4a1a9c7fa7..188a51f366 100644
--- a/NEW_RELEASE_NOTES.md
+++ b/NEW_RELEASE_NOTES.md
@@ -7,3 +7,5 @@ for next branch cut* header.
 appropriate header in [RELEASE_NOTES.md](./RELEASE_NOTES.md).
 
 ## Release notes for next branch cut
+
+- filagui: Fix regression which broke WebGL
diff --git a/libs/filagui/include/filagui/ImGuiHelper.h b/libs/filagui/include/filagui/ImGuiHelper.h
index 9ad4f0765e..3f55ac77bb 100644
--- a/libs/filagui/include/filagui/ImGuiHelper.h
+++ b/libs/filagui/include/filagui/ImGuiHelper.h
@@ -84,12 +84,14 @@ public:
       filament::View* mView; // The view is owned by the client.
       filament::Scene* mScene;
       filament::Material* mMaterial2d = nullptr;
+      std::vector<filament::MaterialInstance*> mMaterial2dInstances;
+#ifdef __ANDROID__
       filament::Material* mMaterialExternal = nullptr;
+      std::vector<filament::MaterialInstance*> mMaterialExternalInstances;
+#endif
       filament::Camera* mCamera = nullptr;
       std::vector<filament::VertexBuffer*> mVertexBuffers;
       std::vector<filament::IndexBuffer*> mIndexBuffers;
-      std::vector<filament::MaterialInstance*> mMaterial2dInstances;
-      std::vector<filament::MaterialInstance*> mMaterialExternalInstances;
       utils::Entity mRenderable;
       utils::Entity mCameraEntity;
       filament::Texture* mTexture = nullptr;
diff --git a/libs/filagui/src/ImGuiHelper.cpp b/libs/filagui/src/ImGuiHelper.cpp
index 935ae138a4..1a88013125 100644
--- a/libs/filagui/src/ImGuiHelper.cpp
+++ b/libs/filagui/src/ImGuiHelper.cpp
@@ -64,10 +64,12 @@ ImGuiHelper::ImGuiHelper(Engine* engine, filament::View* view, const Path& fontP
             .package(FILAGUI_RESOURCES_UIBLIT_DATA, FILAGUI_RESOURCES_UIBLIT_SIZE)
             .constant("external", false)
             .build(*engine);
+#ifdef __ANDROID__
     mMaterialExternal = Material::Builder()
             .package(FILAGUI_RESOURCES_UIBLIT_DATA, FILAGUI_RESOURCES_UIBLIT_SIZE)
             .constant("external", true)
             .build(*engine);
+#endif
 
     // If the given font path is invalid, ImGui will silently fall back to proggy, which is a
     // tiny "pixel art" texture that is compiled into the library.
@@ -134,10 +136,12 @@ ImGuiHelper::~ImGuiHelper() {
         mEngine->destroy(mi);
     }
     mEngine->destroy(mMaterial2d);
+#ifdef __ANDROID__
     for (auto& mi : mMaterialExternalInstances) {
         mEngine->destroy(mi);
     }
     mEngine->destroy(mMaterialExternal);
+#endif
     mEngine->destroy(mTexture);
     for (auto& vb : mVertexBuffers) {
         mEngine->destroy(vb);
@@ -229,13 +233,16 @@ void ImGuiHelper::processImGuiCommands(ImDrawData* commands, const ImGuiIO& io)
                 auto texture = (Texture const*)pcmd.TextureId;
                 const char* uniformName;
                 MaterialInstance* materialInstance;
+#ifdef __ANDROID__
                 if (texture && texture->getTarget() == Texture::Sampler::SAMPLER_EXTERNAL) {
                     if (materialExternalIndex == mMaterialExternalInstances.size()) {
                         mMaterialExternalInstances.push_back(mMaterialExternal->createInstance());
                     }
                     uniformName = "albedoExternal";
                     materialInstance = mMaterialExternalInstances[materialExternalIndex++];
-                } else {
+                } else
+#endif
+                {
                     if (material2dIndex == mMaterial2dInstances.size()) {
                         mMaterial2dInstances.push_back(mMaterial2d->createInstance());
                     }