diff --git a/src/Mod/OpenSCAD/Resources/ui/openscadprefs-base.ui b/src/Mod/OpenSCAD/Resources/ui/openscadprefs-base.ui
index 9c3f770d31..8e4a0c074b 100644
--- a/src/Mod/OpenSCAD/Resources/ui/openscadprefs-base.ui
+++ b/src/Mod/OpenSCAD/Resources/ui/openscadprefs-base.ui
@@ -45,7 +45,7 @@
-
-
+
300
@@ -229,7 +229,7 @@
-
-
+
300