diff --git a/src/impl/platforms/internal_platform_utils.py b/src/impl/platforms/internal_platform_utils.py
index 3ae684ed..e9b121b6 100644
--- a/src/impl/platforms/internal_platform_utils.py
+++ b/src/impl/platforms/internal_platform_utils.py
@@ -9,7 +9,7 @@
 class InternalPlatformUtils:
     class FindPostmasterResultCode(enum.Enum):
         ok = 0
-        not_found = 1,
+        not_found = 1
         not_implemented = 2
         many_processes = 3
         has_problems = 4