diff --git a/src/detect-stream_size.c b/src/detect-stream_size.c
index f2296a04f4..d27dcd2dda 100644
--- a/src/detect-stream_size.c
+++ b/src/detect-stream_size.c
@@ -354,7 +354,7 @@ static int DetectStreamSizeParseTest02 (void)
     DetectStreamSizeData *sd = NULL;
     sd = DetectStreamSizeParse("invalidoption,<,6");
     if (sd != NULL) {
-        printf("expected: NULL got 0x%02X %" PRId16 ": ",sd->flags, sd->ssize);
+        printf("expected: NULL got 0x%02X %" PRIu32 ": ",sd->flags, sd->ssize);
         result = 0;
         DetectStreamSizeFree(sd);
     }