diff --git a/source/blender/editors/screen/screen_edit.c b/source/blender/editors/screen/screen_edit.c
index f0f8cb6d9d8..ccc1d91d2e9 100644
--- a/source/blender/editors/screen/screen_edit.c
+++ b/source/blender/editors/screen/screen_edit.c
@@ -649,6 +649,9 @@ void ED_screen_set_active_region(bContext *C, wmWindow *win, const int xy[2])
 		if (sa) {
 			/* make overlap active when mouse over */
 			for (ar = sa->regionbase.first; ar; ar = ar->next) {
+				if (ar->flag & (RGN_FLAG_HIDDEN | RGN_FLAG_TOO_SMALL)) {
+					continue;
+				}
 				if (BLI_rcti_isect_pt_v(&ar->winrct, xy)) {
 					scr->active_region = ar;
 					break;