diff --git a/infra/cifuzz/config_utils.py b/infra/cifuzz/config_utils.py
index 767010e9a..a4a3cb8f7 100644
--- a/infra/cifuzz/config_utils.py
+++ b/infra/cifuzz/config_utils.py
@@ -129,7 +129,7 @@ class BaseConfig:
     self.build_integration_path = (
         constants.DEFAULT_EXTERNAL_BUILD_INTEGRATION_PATH)
 
-    self.parallel_fuzzing = os.environ.get('PARALLEL_FUZZING')
+    self.parallel_fuzzing = environment.get_bool('PARALLEL_FUZZING', False)
     self.extra_environment_variables = _get_extra_environment_variables()
     self.output_sarif = environment.get_bool('OUTPUT_SARIF', False)