1 files changed, 6 insertions, 0 deletions
diff --git a/lib/strerror.c b/lib/strerror.c
index df3bac084..b035e6772 100644
--- a/lib/strerror.c
+++ b/lib/strerror.c
@@ -329,6 +329,12 @@ curl_multi_strerror(CURLMcode error)
   case CURLM_INTERNAL_ERROR:
     return "internal error";
 
+  case CURLM_BAD_SOCKET:
+    return "invalid socket argument";
+
+  case CURLM_UNKNOWN_OPTION:
+    return "unknown option";
+
   case CURLM_LAST:
     break;
   }