diff --git a/lib/compiler.js b/lib/compiler.js
index 0487db2c4..54453fc96 100644
--- a/lib/compiler.js
+++ b/lib/compiler.js
@@ -21,6 +21,9 @@ Compiler.prototype.compile_solidity = function(contractFiles) {
   }
 
   var output = solc.compile({sources: input}, 1);
+  
+  if (output.errors.length > 0) 
+    throw new Error ("Solidity errors: " + output.errors))
 
   var json = output.contracts;