diff --git a/servers/slapd/overlays/pcache.c b/servers/slapd/overlays/pcache.c
index 1810f29d88..e12192b27c 100644
--- a/servers/slapd/overlays/pcache.c
+++ b/servers/slapd/overlays/pcache.c
@@ -900,6 +900,8 @@ merge_entry(
 		rc = 1;
 	}
 
+	BER_BVZERO(&op->o_req_dn);
+	BER_BVZERO(&op->o_req_ndn);
 	return rc;
 }