diff --git a/tasks/injector.js b/tasks/injector.js
index da7831b..cc264e0 100644
--- a/tasks/injector.js
+++ b/tasks/injector.js
@@ -84,6 +84,18 @@ module.exports = function(grunt) {
         }
       });
 
+      // Clear existing content between injectors
+      var templateContent = options.templateString || grunt.file.read(template),
+        templateOriginal = templateContent;
+
+      var re = getInjectorTagsRegExp(options.starttag, options.endtag);
+      templateContent = templateContent.replace(re, function (match, indent, starttag, content, endtag) {
+        return indent + starttag + '\n' + indent + endtag;
+      });
+
+      if (templateContent !== templateOriginal || !grunt.file.exists(destination)) {
+        grunt.file.write(destination, templateContent);
+      }
     });
 
     /**