diff --git a/grammar/bfe.g4 b/grammar/bfe.g4
index b1d0e36..4f5c1b4 100644
--- a/grammar/bfe.g4
+++ b/grammar/bfe.g4
@@ -67,6 +67,7 @@ outputStmt
 
 NEWLINE: '\n' -> skip;
 COMMENT: '//' ~[\r\n]* '\r'? '\n'? -> channel(HIDDEN);
+ML_COMMENT: '/*' .*? '*/' ->channel(HIDDEN); 
 WS: [ \r\n] -> skip;
 DEF: '#';
 LOOPSTART: '[';
diff --git a/samples/group.bfe b/samples/group.bfe
index 0b88f87..a8ad4fb 100644
--- a/samples/group.bfe
+++ b/samples/group.bfe
@@ -1,4 +1,5 @@
 //should print AAA
+/* This is a big comment :DDDDD */
 (+65>)3
 <<<
 (.>)3
\ No newline at end of file