diff --git a/src/core/importType.js b/src/core/importType.js
index c241da834b..bc56ca8c4e 100644
--- a/src/core/importType.js
+++ b/src/core/importType.js
@@ -34,11 +34,11 @@ export function isExternalModule(name, settings, path, context) {
   if (arguments.length < 4) {
     throw new TypeError('isExternalModule: name, settings, path, and context are all required');
   }
-  return (isModule(name) || isScoped(name)) && (isExternalPath(path, context) || isExternalLookingName(name));
+  return (isModule(name) || isScoped(name)) && typeTest(name, context, path) === 'external';
 }
 
 export function isExternalModuleMain(name, settings, path, context) {
-  return isModuleMain(name) && (isExternalPath(path, context) || isExternalLookingName(name));
+  return isModuleMain(name) && typeTest(name, context, path) === 'external';
 }
 
 const moduleRegExp = /^\w/;