diff --git a/source/blender/editors/screen/screen_ops.cc b/source/blender/editors/screen/screen_ops.cc
index 59b70ecbd6d..b0366231c35 100644
--- a/source/blender/editors/screen/screen_ops.cc
+++ b/source/blender/editors/screen/screen_ops.cc
@@ -850,11 +850,11 @@ static AZone *area_actionzone_refresh_xy(ScrArea *area, const int xy[2], const b
         const ARegion *region = az->region;
         const int local_xy[2] = {xy[0] - region->winrct.xmin, xy[1] - region->winrct.ymin};
 
-        /* Respect button sections: If the mouse is horizontally hovering empty space defined by a
-         * separator-spacer between buttons, don't allow scaling the region from there. Used for
-         * regions that have a transparent background between such button sections, users don't
-         * expect to be able to resize from there. */
-        if (region->visible && (region->flag & RGN_FLAG_RESIZE_RESPECT_BUTTON_SECTIONS) &&
+        /* Respect button sections: Clusters of buttons (separated using separator-spacers) are
+         * drawn with a background, in-between them the region is fully transparent (if "Region
+         * Overlap" is enabled). Only allow dragging visible edges, so at the button sections. */
+        if (region->visible && region->overlap &&
+            (region->flag & RGN_FLAG_RESIZE_RESPECT_BUTTON_SECTIONS) &&
             !UI_region_button_sections_is_inside_x(az->region, local_xy[0]))
         {
           az = nullptr;