diff --git a/Monicelli.ypp b/Monicelli.ypp
index 51db03a..1ffe09a 100644
--- a/Monicelli.ypp
+++ b/Monicelli.ypp
@@ -380,7 +380,7 @@ simple_expression:
 #include "Scanner.hpp"
 
 void Parser::error(const location_type& loc, const std::string &message) {
-    std::cerr << "Error at " << loc.begin.line << ":" << loc.begin.column;
+    std::cerr << "At " << loc.begin.line << "," << loc.begin.column;
     std::cerr << ": " << message << std::endl;
 }