--- a/modules/libpref/init/all.js
+++ b/modules/libpref/init/all.js
@@ -4737,17 +4737,17 @@ pref("gl.msaa-level", 2);
 #endif
 pref("gl.require-hardware", false);
 #ifdef XP_MACOSX
 pref("gl.multithreaded", true);
 #endif
 pref("gl.ignore-dx-interop2-blacklist", false);
 pref("gl.use-tls-is-current", 0);
 
-#ifdef XP_MACOSX
+#if defined(XP_MACOSX) || defined(XP_LINUX)
 pref("webgl.1.allow-core-profiles", true);
 #else
 pref("webgl.1.allow-core-profiles", false);
 #endif
 pref("webgl.force-enabled", false);
 pref("webgl.disabled", false);
 pref("webgl.disable-angle", false);
 pref("webgl.disable-wgl", false);