diff --git a/lib/url.c b/lib/url.c
index ccfdb18a4..dcb7fcf6c 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -758,7 +758,7 @@ CURLcode Curl_disconnect(struct Curl_easy *data,
    * are other users of it
    */
   if(CONN_INUSE(conn) && !dead_connection) {
-    DEBUGF(infof(data, "Curl_disconnect when inuse: %d\n", CONN_INUSE(conn)));
+    DEBUGF(infof(data, "Curl_disconnect when inuse: %zu\n", CONN_INUSE(conn)));
     return CURLE_OK;
   }
 
diff --git a/tests/libtest/libntlmconnect.c b/tests/libtest/libntlmconnect.c
index 519c5296e..e17b991a4 100644
--- a/tests/libtest/libntlmconnect.c
+++ b/tests/libtest/libntlmconnect.c
@@ -158,7 +158,7 @@ int test(char *url)
 
     multi_perform(multi, &running);
 
-    fprintf(stderr, "%s:%d running %ld state %d\n",
+    fprintf(stderr, "%s:%d running %d state %d\n",
             __FILE__, __LINE__, running, state);
 
     abort_on_test_timeout();