diff --git a/src/renderers/shared/fiber/ReactFiberDevToolsHook.js b/src/renderers/shared/fiber/ReactFiberDevToolsHook.js
index 0e228e9609..9735863e13 100644
--- a/src/renderers/shared/fiber/ReactFiberDevToolsHook.js
+++ b/src/renderers/shared/fiber/ReactFiberDevToolsHook.js
@@ -27,7 +27,7 @@ let onCommitRoot = null;
 let onCommitUnmount = null;
 if (
   typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ !== 'undefined' &&
-  typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.supportsFiber
+  __REACT_DEVTOOLS_GLOBAL_HOOK__.supportsFiber
 ) {
   let {
     inject,