diff --git a/lib/connect.c b/lib/connect.c
index 787026942..218bbcc78 100755
--- a/lib/connect.c
+++ b/lib/connect.c
@@ -721,7 +721,7 @@ CURLcode Curl_is_connected(struct connectdata *conn,
 {
   struct Curl_easy *data = conn->data;
   CURLcode result = CURLE_OK;
-  time_t allow;
+  timediff_t allow;
   int error = 0;
   struct curltime now;
   int rc;
diff --git a/lib/http_proxy.c b/lib/http_proxy.c
index dff9d230a..0283c1f3f 100644
--- a/lib/http_proxy.c
+++ b/lib/http_proxy.c
@@ -188,7 +188,7 @@ static CURLcode CONNECT(struct connectdata *conn,
   CURLcode result;
   curl_socket_t tunnelsocket = conn->sock[sockindex];
   bool closeConnection = FALSE;
-  time_t check;
+  timediff_t check;
   struct http_connect_state *s = conn->connect_state;
 
 #define SELECT_OK      0