diff --git a/libvisual-plugins/plugins/actor/blursk/blursk.c b/libvisual-plugins/plugins/actor/blursk/blursk.c
index 1acfad4ea..caa6036a4 100644
--- a/libvisual-plugins/plugins/actor/blursk/blursk.c
+++ b/libvisual-plugins/plugins/actor/blursk/blursk.c
@@ -611,6 +611,7 @@ void __blursk_cleanup (BlurskPrivate *priv) {
     visual_mem_free(config.cpu_speed);
     visual_mem_free(config.show_info);
 
+    visual_mem_set(&config, 0, sizeof(config));
 }