diff --git a/packages/compiler-cli/test/compliance/r3_view_compiler_i18n_spec.ts b/packages/compiler-cli/test/compliance/r3_view_compiler_i18n_spec.ts
index 8b27d767b2..78de4a6099 100644
--- a/packages/compiler-cli/test/compliance/r3_view_compiler_i18n_spec.ts
+++ b/packages/compiler-cli/test/compliance/r3_view_compiler_i18n_spec.ts
@@ -3463,7 +3463,7 @@ describe('i18n support in the template compiler', () => {
 
       const output = String.raw `
         var $I18N_0$;
-        if (ngI18nClosureMode) { … }
+        if (typeof ngI18nClosureMode !== "undefined" && ngI18nClosureMode) { … }
         else {
             $I18N_0$ = $localize \`:␟ec93160d6d6a8822214060dd7938bf821c22b226␟6795333002533525253:Some Message\`;
         }
@@ -3478,7 +3478,7 @@ describe('i18n support in the template compiler', () => {
 
       const output = String.raw `
         var $I18N_0$;
-        if (ngI18nClosureMode) { … }
+        if (typeof ngI18nClosureMode !== "undefined" && ngI18nClosureMode) { … }
         else {
             $I18N_0$ = $localize \`:␟ec93160d6d6a8822214060dd7938bf821c22b226␟6795333002533525253:Some Message\`;
         }