diff --git a/tests/internal/log_event_encoder.c b/tests/internal/log_event_encoder.c
index 376ddad4203..724a0647a9c 100644
--- a/tests/internal/log_event_encoder.c
+++ b/tests/internal/log_event_encoder.c
@@ -715,8 +715,8 @@ void dummy2()
     Test(dummy, 
          type1, strlen(str), type2, str, strlen(str),
          type1, strlen(str), type2, str, strlen(str),
-         type1, 4UL, type2, str, 4UL,
-         type1, 4UL, type2, str, 4UL);
+         type1, (size_t)4, type2, str, (size_t)4,
+         type1, (size_t)4, type2, str, (size_t)4);
 }
 
 TEST_LIST = {