1 files changed, 3 insertions, 1 deletions
diff --git a/lib/handlebars/compiler/compiler.js b/lib/handlebars/compiler/compiler.js
index d40e5f8..7777456 100644
--- a/lib/handlebars/compiler/compiler.js
+++ b/lib/handlebars/compiler/compiler.js
@@ -538,7 +538,9 @@ JavaScriptCompiler.prototype = {
     // Generate minimizer alias mappings
     if (!this.isChild) {
       for (var alias in this.context.aliases) {
-        this.source[1] = this.source[1] + ', ' + alias + '=' + this.context.aliases[alias];
+        if (this.context.aliases.hasOwnProperty(alias)) {
+          this.source[1] = this.source[1] + ', ' + alias + '=' + this.context.aliases[alias];
+        }
       }
     }