diff --git a/comment.py b/comment.py
index a73f1f0..99a54ed 100755
--- a/comment.py
+++ b/comment.py
@@ -30,7 +30,7 @@ from pythonosc import udp_client
 # define an error listener that raises SyntaxError exceptions
 class SyntaxErrorListener(ErrorListener):
     def syntaxError(self, recognizer, offendingSymbol, line, column, msg, e):
-        raise SyntaxError('line ' + str(line) + ': ' + msg)
+        raise SyntaxError("line "+str(line)+":"+str(column)+" "+msg)
 
 
 # setup logging
@@ -60,13 +60,13 @@ def comment(text):
     lexer = CommentMacroLexer(input_stream)
     stream = antlr4.CommonTokenStream(lexer)
     parser = CommentMacroParser(stream)
-    parser._listeners = [SyntaxErrorListener()]
+    parser._listeners.append(SyntaxErrorListener())
     try:
         tree = parser.prog()
+        walker.walk(oscMacro, tree)
     except SyntaxError as e:
-        logger.error(e)
-        return
-    walker.walk(oscMacro, tree)
+        logger.debug(e)     # antlr internal listener prints the error
+#                           # log it to the debug logger anyway
 
 
 if __name__ == '__main__':