diff --git a/packages/react-native/ReactCommon/react/renderer/mounting/ShadowTree.cpp b/packages/react-native/ReactCommon/react/renderer/mounting/ShadowTree.cpp
index 9dbeee58107f..1c5e39e41a99 100644
--- a/packages/react-native/ReactCommon/react/renderer/mounting/ShadowTree.cpp
+++ b/packages/react-native/ReactCommon/react/renderer/mounting/ShadowTree.cpp
@@ -326,7 +326,7 @@ CommitStatus ShadowTree::tryCommit(
   auto telemetry = TransactionTelemetry{};
   telemetry.willCommit();
 
-  CommitMode commitMode;
+  CommitMode commitMode{};
   auto oldRevision = ShadowTreeRevision{};
   auto oldRevisionForStateProgression = ShadowTreeRevision{};
   auto newRevision = ShadowTreeRevision{};