diff --git a/servers/slapd/dn.c b/servers/slapd/dn.c
index e5e55f7ac8..74bd594e76 100644
--- a/servers/slapd/dn.c
+++ b/servers/slapd/dn.c
@@ -1195,7 +1195,7 @@ dnIsSuffix(
 	}
 
 	/* compare */
-	return( strcmp( dn->bv_val + d, suffix->bv_val ) == 0 );
+	return( strncmp( dn->bv_val + d, suffix->bv_val, suffix->bv_len ) == 0 );
 }
 
 /*