diff --git a/internal/tsc_wrapped/compiler_host.ts b/internal/tsc_wrapped/compiler_host.ts
index 86115ba..cb1b1fc 100644
--- a/internal/tsc_wrapped/compiler_host.ts
+++ b/internal/tsc_wrapped/compiler_host.ts
@@ -82,6 +82,8 @@
   isJsTranspilation: boolean;
   provideExternalModuleDtsNamespace: boolean;
   options: BazelTsOptions;
+  moduleResolutionHost: ts.ModuleResolutionHost = this;
+  // TODO(evanm): delete this once tsickle is updated.
   host: ts.ModuleResolutionHost = this;
   private allowActionInputReads = true;