diff --git a/tests/unit/unit1303.c b/tests/unit/unit1303.c
index f94daf7a6..2e4f23096 100644
--- a/tests/unit/unit1303.c
+++ b/tests/unit/unit1303.c
@@ -63,7 +63,7 @@ struct timetest {
   int now_us;
   int timeout_ms;
   int connecttimeout_ms;
-  int connecting;
+  bool connecting;
   long result;
   const char *comment;
 };