diff --git a/lib/libc/rpc/getrpcent.c b/lib/libc/rpc/getrpcent.c
index 97457d37fc9b..e705af831d07 100644
--- a/lib/libc/rpc/getrpcent.c
+++ b/lib/libc/rpc/getrpcent.c
@@ -511,6 +511,7 @@ nis_rpcent(void *retval, void *mdata, va_list ap)
 		    sizeof(char *)) {
 			*errnop = ERANGE;
 			rv = NS_RETURN;
+			free(resultbuf);
 			break;
 		}
 
@@ -520,6 +521,7 @@ nis_rpcent(void *retval, void *mdata, va_list ap)
 		if (aliases_size < 1) {
 			*errnop = ERANGE;
 			rv = NS_RETURN;
+			free(resultbuf);
 			break;
 		}