diff --git a/src/modules/chanmodes/floodprot.c b/src/modules/chanmodes/floodprot.c
index fd504412b..abfcf16c0 100644
--- a/src/modules/chanmodes/floodprot.c
+++ b/src/modules/chanmodes/floodprot.c
@@ -196,6 +196,7 @@ MOD_LOAD()
 MOD_UNLOAD()
 {
 	SavePersistentPointer(modinfo, removechannelmodetimer_list);
+	SavePersistentPointer(modinfo, floodprot_msghash_key);
 	return MOD_SUCCESS;
 }