diff --git a/kilo.c b/kilo.c
index 0d8aef4e..eabb3f4c 100644
--- a/kilo.c
+++ b/kilo.c
@@ -71,9 +71,9 @@
 struct editorSyntax {
     char **filematch;
     char **keywords;
-    char singleline_comment_start[2];
-    char multiline_comment_start[3];
-    char multiline_comment_end[3];
+    char singleline_comment_start[3];
+    char multiline_comment_start[4];
+    char multiline_comment_end[4];
     int flags;
 };