diff --git a/src/db/dbLock.c b/src/db/dbLock.c
index 176c6bef7..b35977b53 100644
--- a/src/db/dbLock.c
+++ b/src/db/dbLock.c
@@ -159,7 +159,7 @@ unsigned long epicsShareAPI dbLockGetLockId(dbCommon *precord)
     assert(plockRecord);
     epicsMutexMustLock(lockSetModifyLock);
     plockSet = plockRecord->plockSet;
-    if(!plockSet) id = plockSet->id;
+    if(plockSet) id = plockSet->id;
     epicsMutexUnlock(lockSetModifyLock);
     return(id);
 }