diff --git a/lib/http.c b/lib/http.c
index f09d96ee06..5e2b8f9ac0 100644
--- a/lib/http.c
+++ b/lib/http.c
@@ -976,6 +976,8 @@ static CURLcode auth_digest(struct Curl_easy *data,
      * Digest */
     result = Curl_input_digest(data, proxy, auth);
     if(result) {
+      if(result == CURLE_OUT_OF_MEMORY)
+        return result;
       infof(data, "Digest authentication problem, ignoring.");
       data->state.authproblem = TRUE;
     }