diff --git a/main.c b/main.c
index e92e2e5..49d3985 100644
--- a/main.c
+++ b/main.c
@@ -374,7 +374,7 @@ main(int argc, char *const *argv)
     }
 
     if (aborted)
-        LOG_INFO("aborted: %s (%d)", strsignal(aborted), aborted);
+        LOG_INFO("aborted: %s (%ld)", strsignal(aborted), (long)aborted);
 
 done:
     /* Signal abort to other threads */