diff --git a/hcore/deviceManager/deviceSpecp.yy b/hcore/deviceManager/deviceSpecp.yy
index e1e867b..8cb6df9 100644
--- a/hcore/deviceManager/deviceSpecp.yy
+++ b/hcore/deviceManager/deviceSpecp.yy
@@ -28,7 +28,7 @@ void yyerror(const char *message)
 {
 	throw std::runtime_error(
         std::string("deviceSpec parser error: ")
-            + std::string(message)) + yytext;
+            + std::string(message));
 }
 
 %}