diff --git a/retoor_c/isspam.c b/retoor_c/isspam.c
index 95370f9..145e2be 100644
--- a/retoor_c/isspam.c
+++ b/retoor_c/isspam.c
@@ -327,5 +327,6 @@ int main(int argc, char *argv[]) {
     }
     analyze(stdin);
     printf("%s\n", rmalloc_stats());
+    exit(0);
     return 0;
 }