diff --git a/source/profile/profile.c b/source/profile/profile.c
index fc22e07fa98..30b06492545 100644
--- a/source/profile/profile.c
+++ b/source/profile/profile.c
@@ -230,7 +230,7 @@ BOOL profile_setup(BOOL rdonly)
 	}
 
 	if (shm_ds.shm_segsz != sizeof(*profile_h)) {
-		DEBUG(0,("WARNING: profile size is %d (expected %d). Deleting\n",
+		DEBUG(0,("WARNING: profile size is %d (expected %lu). Deleting\n",
 			 (int)shm_ds.shm_segsz, sizeof(*profile_h)));
 		if (shmctl(shm_id, IPC_RMID, &shm_ds) == 0) {
 			goto again;