diff --git a/firefox-gpu/zzz_hybris-webrender.js b/firefox-gpu/zzz_hybris-webrender.js
index 264ee76..f1145a3 100644
--- a/firefox-gpu/zzz_hybris-webrender.js
+++ b/firefox-gpu/zzz_hybris-webrender.js
@@ -18,3 +18,7 @@ pref("layers.acceleration.disabled", false);
 pref('layers.acceleration.force-enabled', true);
 pref('layers.gpu-process.enabled', true);
 pref('layers.gpu-process.force-enabled', true);
+
+// enable hw WebGL
+pref("webgl.forbid-hardware", false);
+pref("webgl.forbid-software", true);
diff --git a/firefox/hybris-gpu.js b/firefox/hybris-gpu.js
index e75460c..b80ff09 100644
--- a/firefox/hybris-gpu.js
+++ b/firefox/hybris-gpu.js
@@ -4,3 +4,6 @@
 // This option will break firefox esr 115 on devices with a Mali gpu
 // on other devices it doesn't do anything anyways firefox is not gpu accelerated
 pref("layers.acceleration.disabled", true);
+// Similarly on Mali GPUs at least hw WebGL crashes whole browser on YT/about:support etc
+pref("webgl.forbid-hardware", true);
+pref("webgl.forbid-software", false);