diff --git a/qutebrowser/config/configdata.py b/qutebrowser/config/configdata.py
index d89ed2a4c..0133e14ba 100644
--- a/qutebrowser/config/configdata.py
+++ b/qutebrowser/config/configdata.py
@@ -745,7 +745,7 @@ def data(readonly=False):
              "are not affected by this setting."),
 
             ('webgl',
-             SettingValue(typ.Bool(), 'true'),
+             SettingValue(typ.Bool(), 'false'),
              "Enables or disables WebGL."),
 
             ('css-regions',