diff --git a/source/blender/editors/space_view3d/view3d_select.cc b/source/blender/editors/space_view3d/view3d_select.cc
index 0d76c1bc7f8..efe003c8db9 100644
--- a/source/blender/editors/space_view3d/view3d_select.cc
+++ b/source/blender/editors/space_view3d/view3d_select.cc
@@ -2992,6 +2992,15 @@ static int view3d_select_exec(bContext *C, wmOperator *op)
   Object *obedit = CTX_data_edit_object(C);
   Object *obact = CTX_data_active_object(C);
 
+  if (obact && obact->type == OB_GPENCIL && GPENCIL_ANY_MODE((bGPdata *)obact->data)) {
+    /* Prevent acting on Grease Pencil (when not in object mode), it implements its own selection
+     * operator in other modes. We might still fall trough to here (because that operator uses
+     * OPERATOR_PASS_THROUGH to make tweak work) but if we dont stop here code below assumes we are
+     * in object mode it might falsely toggle object selection. Alternatively, this could be put in
+     * the poll funtion instead. */
+    return OPERATOR_PASS_THROUGH | OPERATOR_CANCELLED;
+  }
+
   Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
   ViewContext vc;
   ED_view3d_viewcontext_init(C, &vc, depsgraph);