diff --git a/packages/compiler-cli/src/perform_watch.ts b/packages/compiler-cli/src/perform_watch.ts
index 0cf9cd5edd..b2b7e2faa5 100644
--- a/packages/compiler-cli/src/perform_watch.ts
+++ b/packages/compiler-cli/src/perform_watch.ts
@@ -200,7 +200,7 @@ export function performWatchCompilation(host: PerformWatchHost):
       rootNames: cachedOptions.rootNames,
       options: cachedOptions.options,
       host: cachedCompilerHost,
-      oldProgram: cachedProgram,
+      oldProgram: oldProgram,
       emitCallback: host.createEmitCallback(cachedOptions.options)
     });