diff --git a/tasks/angular-templates.js b/tasks/angular-templates.js
index 1d5943a..a62e14f 100644
--- a/tasks/angular-templates.js
+++ b/tasks/angular-templates.js
@@ -60,6 +60,11 @@ module.exports = function(grunt) {
 
       // Append file.dest to specified concat target
       if (options.concat) {
+        
+        if (process.platform === 'win32') {
+          options.concat = options.concat.replace(/\//g, '\\');
+        }
+        
         var config = grunt.config(['concat', options.concat]);
 
         if (!config) {