diff --git a/lib/third_party/imgui/custom/source/imgui_impl_glfw.cpp b/lib/third_party/imgui/custom/source/imgui_impl_glfw.cpp
index 30f850e68..c2a4226c7 100644
--- a/lib/third_party/imgui/custom/source/imgui_impl_glfw.cpp
+++ b/lib/third_party/imgui/custom/source/imgui_impl_glfw.cpp
@@ -589,6 +589,14 @@ void ImGui_ImplGlfw_SetCallbacksChainForAllWindows(bool chain_for_all_windows)
     bd->CallbacksChainForAllWindows = chain_for_all_windows;
 }
 
+#ifdef __EMSCRIPTEN__
+#if EMSCRIPTEN_USE_PORT_CONTRIB_GLFW3 >= 34020240817
+void ImGui_ImplGlfw_EmscriptenOpenURL(const char* url) { if (url) emscripten::glfw3::OpenURL(url); }
+#else
+EM_JS(void, ImGui_ImplGlfw_EmscriptenOpenURL, (const char* url), { url = url ? UTF8ToString(url) : null; if (url) window.open(url, '_blank'); });
+#endif
+#endif
+
 static bool ImGui_ImplGlfw_Init(GLFWwindow* window, bool install_callbacks, GlfwClientApi client_api)
 {
     ImGuiIO& io = ImGui::GetIO();