diff --git a/server/tests/test_display_base.c b/server/tests/test_display_base.c
index bdac6807..b197d1bb 100644
--- a/server/tests/test_display_base.c
+++ b/server/tests/test_display_base.c
@@ -551,6 +551,8 @@ static void produce_command(Test *test)
                 update = test_spice_create_update_solid(command->solid.surface_id,
                         command->solid.bbox, command->solid.color);
                 break;
+            default: /* Just to shut up GCC warning (-Wswitch) */
+                break;
             }
             push_command(&update->ext);
             break;