diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index f451c91046b..b70d5cf876b 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -2381,7 +2381,7 @@ namespace ts {
                         ? "allowSyntheticDefaultImports"
                         : "esModuleInterop";
 
-                    error(referencingLocation, Diagnostics.When_writing_ECMAScript_imports_callable_export_style_modules_can_only_be_imported_by_turning_on_the_0_flag_and_using_a_default_import, compilerOptionName);
+                    error(referencingLocation, Diagnostics.This_module_can_only_be_imported_with_ECMAScript_imports_by_turning_on_the_0_flag_and_using_a_default_import, compilerOptionName);
 
                     return symbol;
                 }
diff --git a/src/compiler/diagnosticMessages.json b/src/compiler/diagnosticMessages.json
index 907940c4f6a..a27aa17efb9 100644
--- a/src/compiler/diagnosticMessages.json
+++ b/src/compiler/diagnosticMessages.json
@@ -1768,7 +1768,7 @@
         "category": "Error",
         "code": 2496
     },
-    "When writing ECMAScript imports, callable 'export ='-style modules can only be imported by turning on the '{0}' flag and using a default import.": {
+    "This module can only be imported with ECMAScript imports by turning on the '{0}' flag and using a default import.": {
         "category": "Error",
         "code": 2497
     },