diff --git a/tests/meson.build b/tests/meson.build
index 6aa323c27502ceaf615b365d5da1a67e239f011e..d1f8d143d91e1e758822440262f8c758af4ba976 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -12,6 +12,7 @@ tests = {
 		  {
 			'description': 'Simplest fib test',
 			'test_suite': 'smoke',
+			'is_parallel': true,
 		  },
 
 		  'c_api_test.c':
@@ -76,7 +77,7 @@ foreach source, test_dict : tests
 
   test(test_name,
 	   test_exe,
-	   is_parallel: test_dict.get('is_parallel', true),
+	   is_parallel: test_dict.get('is_parallel', false),
 	   suite: test_dict.get('test_suite', 'all'),
 	   timeout: 60,
 	   env: test_env,