diff --git a/src/services/refactors/extractMethod.ts b/src/services/refactors/extractMethod.ts
index f0f85ee6e81..de163d07717 100644
--- a/src/services/refactors/extractMethod.ts
+++ b/src/services/refactors/extractMethod.ts
@@ -866,7 +866,7 @@ namespace ts.refactor.extractMethod {
         readonly node: Node;
     }
 
-    interface ScopeUsages {
+    export interface ScopeUsages {
         usages: Map<UsageEntry>;
         substitutions: Map<Node>;
     }