diff --git a/tests/http/clients/ws-data.c b/tests/http/clients/ws-data.c
index e8665b1826..487d109ef3 100644
--- a/tests/http/clients/ws-data.c
+++ b/tests/http/clients/ws-data.c
@@ -206,7 +206,7 @@ int main(int argc, char *argv[])
   CURL *curl;
   CURLcode res = CURLE_OK;
   const char *url;
-  curl_off_t l1, l2;
+  long l1, l2;
   size_t plen_min, plen_max;
 
 
@@ -217,12 +217,12 @@ int main(int argc, char *argv[])
   url = argv[1];
   l1 = strtol(argv[2], NULL, 10);
   if(l1 < 0) {
-    fprintf(stderr, "minlen must be >= 0, got %ld\n", (long)l1);
+    fprintf(stderr, "minlen must be >= 0, got %ld\n", l1);
     return 2;
   }
   l2 = strtol(argv[3], NULL, 10);
   if(l2 < 0) {
-    fprintf(stderr, "maxlen must be >= 0, got %ld\n", (long)l2);
+    fprintf(stderr, "maxlen must be >= 0, got %ld\n", l2);
     return 2;
   }
   plen_min = l1;