diff --git a/test/suites/api/test_number.c b/test/suites/api/test_number.c
index c256598..e789fe6 100644
--- a/test/suites/api/test_number.c
+++ b/test/suites/api/test_number.c
@@ -12,7 +12,7 @@
 static void run_tests()
 {
     json_t *integer, *real;
-    int i;
+    json_int_t i;
     double d;
 
     integer = json_integer(5);