diff --git a/src/nwnss/comn/common/cSAmanager.c b/src/nwnss/comn/common/cSAmanager.c
index f0ef73e..2941d25 100644
--- a/src/nwnss/comn/common/cSAmanager.c
+++ b/src/nwnss/comn/common/cSAmanager.c
@@ -165,7 +165,7 @@ BOOL CSA_matchCleanup ( mDoor_s *door, VolumeID_t *guid )
 
 void CSA_SupplyVolCleanup( VolumeID_t *guid)
 {
-	MSG_BreakSetOfDoors(&CsaMsgType.hdr, CSA_matchCleanup, guid);
+	MSG_BreakSetOfDoors(&CsaMsgType.hdr, (boolfunc_t)CSA_matchCleanup, guid);
 }
 
 LONG CSA_ChangeVolStateExit (struct EventBlock *evBlk)