diff --git a/src/rules/typeIdMatch.js b/src/rules/typeIdMatch.js
index 916860eb..cc9f643f 100644
--- a/src/rules/typeIdMatch.js
+++ b/src/rules/typeIdMatch.js
@@ -7,17 +7,20 @@ const schema = [
 const create = (context) => {
   const pattern = new RegExp(context.options[0] || '^([A-Z][a-z0-9]*)+Type$');
 
-  return {
-    TypeAlias (typeAliasNode) {
-      const typeIdentifierName = typeAliasNode.id.name;
+  const checkType = (typeAliasNode) => {
+    const typeIdentifierName = typeAliasNode.id.name;
+
+    if (!pattern.test(typeIdentifierName)) {
+      context.report(typeAliasNode, 'Type identifier \'{{name}}\' does not match pattern \'{{pattern}}\'.', {
+        name: typeIdentifierName,
+        pattern: pattern.toString(),
+      });
+    }
+  };
 
-      if (!pattern.test(typeIdentifierName)) {
-        context.report(typeAliasNode, 'Type identifier \'{{name}}\' does not match pattern \'{{pattern}}\'.', {
-          name: typeIdentifierName,
-          pattern: pattern.toString(),
-        });
-      }
-    },
+  return {
+    OpaqueType: checkType,
+    TypeAlias: checkType,
   };
 };
 
diff --git a/tests/rules/assertions/typeIdMatch.js b/tests/rules/assertions/typeIdMatch.js
index c24259df..215728ae 100644
--- a/tests/rules/assertions/typeIdMatch.js
+++ b/tests/rules/assertions/typeIdMatch.js
@@ -1,5 +1,13 @@
 export default {
   invalid: [
+    {
+      code: 'opaque type foo = {};',
+      errors: [
+        {
+          message: 'Type identifier \'foo\' does not match pattern \'/^([A-Z][a-z0-9]*)+Type$/\'.',
+        },
+      ],
+    },
     {
       code: 'type foo = {};',
       errors: [