diff --git a/packages/react-devtools-scheduling-profiler/src/constants.js b/packages/react-devtools-scheduling-profiler/src/constants.js
index 2e463ae632d95..e5f9336d73e78 100644
--- a/packages/react-devtools-scheduling-profiler/src/constants.js
+++ b/packages/react-devtools-scheduling-profiler/src/constants.js
@@ -11,5 +11,6 @@ export {
   COMFORTABLE_LINE_HEIGHT,
   COMPACT_LINE_HEIGHT,
 } from 'react-devtools-shared/src/constants.js';
+import {TotalLanes} from 'react-reconciler/src/ReactFiberLane.new';
 
-export const REACT_TOTAL_NUM_LANES = 31;
+export const REACT_TOTAL_NUM_LANES = TotalLanes;