diff --git a/lib/internal/errors.js b/lib/internal/errors.js
index 87200b40d45bdc..b971b0ba54b075 100644
--- a/lib/internal/errors.js
+++ b/lib/internal/errors.js
@@ -1338,7 +1338,12 @@ E('ERR_IMPORT_ATTRIBUTE_MISSING',
 E('ERR_IMPORT_ATTRIBUTE_TYPE_INCOMPATIBLE',
   'Module "%s" is not of type "%s"', TypeError);
 E('ERR_IMPORT_ATTRIBUTE_UNSUPPORTED',
-  'Import attribute "%s" with value "%s" is not supported', TypeError);
+  function error(attribute, value, url = undefined) {
+    if (url === undefined) {
+      return `Import attribute "${attribute}" with value "${value}" is not supported`;
+    }
+    return `Import attribute "${attribute}" with value "${value}" is not supported in ${url}`;
+  }, TypeError);
 E('ERR_INCOMPATIBLE_OPTION_PAIR',
   'Option "%s" cannot be used in combination with option "%s"', TypeError, HideStackFramesError);
 E('ERR_INPUT_TYPE_NOT_ALLOWED', '--input-type can only be used with string ' +
diff --git a/lib/internal/modules/esm/assert.js b/lib/internal/modules/esm/assert.js
index 1a96569cce109f..a8e564d6707285 100644
--- a/lib/internal/modules/esm/assert.js
+++ b/lib/internal/modules/esm/assert.js
@@ -57,7 +57,7 @@ function validateAttributes(url, format,
   const keys = ObjectKeys(importAttributes);
   for (let i = 0; i < keys.length; i++) {
     if (keys[i] !== 'type') {
-      throw new ERR_IMPORT_ATTRIBUTE_UNSUPPORTED(keys[i], importAttributes[keys[i]]);
+      throw new ERR_IMPORT_ATTRIBUTE_UNSUPPORTED(keys[i], importAttributes[keys[i]], url);
     }
   }
   const validType = formatTypeMap[format];
@@ -102,7 +102,7 @@ function handleInvalidType(url, type) {
 
   // `type` might not have been one of the types we understand.
   if (!ArrayPrototypeIncludes(supportedTypeAttributes, type)) {
-    throw new ERR_IMPORT_ATTRIBUTE_UNSUPPORTED('type', type);
+    throw new ERR_IMPORT_ATTRIBUTE_UNSUPPORTED('type', type, url);
   }
 
   // `type` was the wrong value for this format.