diff --git a/scripts/startup/bl_ui/properties_grease_pencil_common.py b/scripts/startup/bl_ui/properties_grease_pencil_common.py
index 593e3a840dd..cc7c3a01c96 100644
--- a/scripts/startup/bl_ui/properties_grease_pencil_common.py
+++ b/scripts/startup/bl_ui/properties_grease_pencil_common.py
@@ -608,7 +608,7 @@ class GreasePencilMaterialsPanel:
                     row.operator("grease_pencil.stroke_material_set", text="Assign")
                 elif not is_grease_pencil_version3 and ob.data.use_stroke_edit_mode:
                     row = layout.row(align=True)
-                    row.operator("gpencil.stroke_material_set", text="Assign")
+                    row.operator("gpencil.stroke_change_color", text="Assign")
                     row.operator("gpencil.material_select", text="Select").deselect = False
                     row.operator("gpencil.material_select", text="Deselect").deselect = True
         # stroke color