diff --git a/rosella.c b/rosella.c
index 78c9abd..5f03a62 100644
--- a/rosella.c
+++ b/rosella.c
@@ -14,7 +14,7 @@
 
 static void test_builtins(void);
 static void test_weak_boxes_and_wills(void);
-static void test_garbage_collection(void);
+static void test_garbage_collection(bool keep_going);
 static void print_value(value_t v);
 static void print_gc_stats(void);
 
@@ -39,7 +39,7 @@ int main(int argc, char **argv)
 
   test_builtins();
   test_weak_boxes_and_wills();
-  test_garbage_collection();
+  test_garbage_collection(argc > 1);
 
   return 0;
 }
@@ -88,7 +88,7 @@ static void test_weak_boxes_and_wills(void)
   unregister_gc_root(&tmp_root);
 }
 
-static void test_garbage_collection(void)
+static void test_garbage_collection(bool keep_going)
 {
   gc_root_t root;
   int count = 0;
@@ -143,7 +143,8 @@ static void test_garbage_collection(void)
       gc_stats.max_ns      = 0;
       count = 0;
 
-      break;
+      if (!keep_going)
+        break;
     }
   }