diff --git a/release/scripts/startup/bl_ui/space_topbar.py b/release/scripts/startup/bl_ui/space_topbar.py
index fcda2f0c1a7..3e121ddd8b7 100644
--- a/release/scripts/startup/bl_ui/space_topbar.py
+++ b/release/scripts/startup/bl_ui/space_topbar.py
@@ -284,6 +284,7 @@ class TOPBAR_PT_gpencil_layers(Panel):
     bl_space_type = 'VIEW_3D'
     bl_region_type = 'HEADER'
     bl_label = "Layers"
+    bl_ui_units_x = 14
 
     @classmethod
     def poll(cls, context):