diff --git a/lib/compiler.js b/lib/compiler.js
index 9a3105788..6c0a550f3 100644
--- a/lib/compiler.js
+++ b/lib/compiler.js
@@ -74,7 +74,7 @@ Compiler.prototype.compile_serpent = function(contractFile) {
 
 
 Compiler.prototype.compile = function(contractFile) {
-  var contractFileParts = contractFile.split('.')[1]
+  var contractFileParts = contractFile.split('.')
     ,extension = contractFileParts[contractFileParts.length-1];
 
   if (extension === 'sol') {