diff --git a/lib/promises-aplus/promises-aplus-test-adapter.js b/lib/promises-aplus/promises-aplus-test-adapter.js
index b5a4a9f3..ba1ad125 100644
--- a/lib/promises-aplus/promises-aplus-test-adapter.js
+++ b/lib/promises-aplus/promises-aplus-test-adapter.js
@@ -4,6 +4,12 @@
 var isFunction = function isFunction(value){return typeof value == 'function';};
 var isPromiseLike = function isPromiseLike(obj) {return obj && isFunction(obj.then);};
 var isObject = function isObject(value){return value != null && typeof value === 'object';};
+var minErr = function minErr (module, constructor) {
+  return function (){
+    var ErrorConstructor = constructor || Error;
+    throw new ErrorConstructor(module + arguments[0] + arguments[1]);
+  };
+};
 
 var $q = qFactory(process.nextTick, function noopExceptionHandler() {});
 
diff --git a/src/minErr.js b/src/minErr.js
index 7df5fdff..48960858 100644
--- a/src/minErr.js
+++ b/src/minErr.js
@@ -25,10 +25,13 @@
  * should all be static strings, not variables or general expressions.
  *
  * @param {string} module The namespace to use for the new minErr instance.
+ * @param {function} ErrorConstructor Custom error constructor to be instantiated when returning
+ *   error from returned function, for cases when a particular type of error is useful.
  * @returns {function(code:string, template:string, ...templateArgs): Error} minErr instance
  */
 
-function minErr(module) {
+function minErr(module, ErrorConstructor) {
+  ErrorConstructor = ErrorConstructor || Error;
   return function () {
     var code = arguments[0],
       prefix = '[' + (module ? module + ':' : '') + code + '] ',
@@ -69,7 +72,6 @@ function minErr(module) {
       message = message + (i == 2 ? '?' : '&') + 'p' + (i-2) + '=' +
         encodeURIComponent(stringify(arguments[i]));
     }
-
-    return new Error(message);
+    return new ErrorConstructor(message);
   };
 }
diff --git a/test/minErrSpec.js b/test/minErrSpec.js
index 6b7d93b8..da387f52 100644
--- a/test/minErrSpec.js
+++ b/test/minErrSpec.js
@@ -82,4 +82,12 @@ describe('minErr', function () {
     expect(myError.message).toMatch(/^\[26\] This is a Foo/);
     expect(myNamespacedError.message).toMatch(/^\[test:26\] That is a Bar/);
   });
+
+
+  it('should accept an optional 2nd argument to construct custom errors', function() {
+    var normalMinErr = minErr('normal');
+    expect(normalMinErr('acode', 'aproblem') instanceof TypeError).toBe(false);
+    var typeMinErr = minErr('type', TypeError);
+    expect(typeMinErr('acode', 'aproblem') instanceof TypeError).toBe(true);
+  });
 });