diff --git a/jsoncat.c b/jsoncat.c
index 641e0ab..d146a5a 100644
--- a/jsoncat.c
+++ b/jsoncat.c
@@ -215,4 +215,6 @@ int main(int argc, char **argv) {
 			fclose(f);
 		}
 	}
+
+	return 0;
 }