diff --git a/qtest.c b/qtest.c
index ef671fb05d..584c70762a 100644
--- a/qtest.c
+++ b/qtest.c
@@ -177,7 +177,7 @@ static void qtest_send_prefix(CharDriverState *chr)
 
     qtest_get_time(&tv);
     fprintf(qtest_log_fp, "[S +" FMT_timeval "] ",
-            tv.tv_sec, (long) tv.tv_usec);
+            (long) tv.tv_sec, (long) tv.tv_usec);
 }
 
 static void GCC_FMT_ATTR(2, 3) qtest_send(CharDriverState *chr,
@@ -225,7 +225,7 @@ static void qtest_process_command(CharDriverState *chr, gchar **words)
 
         qtest_get_time(&tv);
         fprintf(qtest_log_fp, "[R +" FMT_timeval "]",
-                tv.tv_sec, (long) tv.tv_usec);
+                (long) tv.tv_sec, (long) tv.tv_usec);
         for (i = 0; words[i]; i++) {
             fprintf(qtest_log_fp, " %s", words[i]);
         }
@@ -485,7 +485,7 @@ static void qtest_event(void *opaque, int event)
         qtest_opened = true;
         if (qtest_log_fp) {
             fprintf(qtest_log_fp, "[I " FMT_timeval "] OPENED\n",
-                    start_time.tv_sec, (long) start_time.tv_usec);
+                    (long) start_time.tv_sec, (long) start_time.tv_usec);
         }
         break;
     case CHR_EVENT_CLOSED:
@@ -494,7 +494,7 @@ static void qtest_event(void *opaque, int event)
             qemu_timeval tv;
             qtest_get_time(&tv);
             fprintf(qtest_log_fp, "[I +" FMT_timeval "] CLOSED\n",
-                    tv.tv_sec, (long) tv.tv_usec);
+                    (long) tv.tv_sec, (long) tv.tv_usec);
         }
         break;
     default: