diff --git a/lib/ftp.c b/lib/ftp.c
index 070c4bfc8f..7b3c7d72d6 100644
--- a/lib/ftp.c
+++ b/lib/ftp.c
@@ -599,6 +599,8 @@ static CURLcode ftp_readresp(struct Curl_easy *data,
       /* normal ftp stuff we pass through! */
       break;
     }
+    if(code < 0)
+      return CURLE_RECV_ERROR;
   }
 #endif
 
diff --git a/lib/krb5.c b/lib/krb5.c
index b3105f6757..91e9f7100a 100644
--- a/lib/krb5.c
+++ b/lib/krb5.c
@@ -720,7 +720,7 @@ int Curl_sec_read_msg(struct Curl_easy *data, struct connectdata *conn,
      int */
   int decoded_len;
   char *buf;
-  int ret_code = 0;
+  int ret_code = -1;
   size_t decoded_sz = 0;
   CURLcode error;