diff --git a/rtracker.c b/rtracker.c
index 4204a7d..2d2931e 100644
--- a/rtracker.c
+++ b/rtracker.c
@@ -15,7 +15,7 @@
 char comment[1000] = "";
 char command[10000] = "";
 
-char tick[3] = "✓";
+char tick[4] = "✓";
 char cross[3] = "⨯";
 
 #define OUT_LEN 1000 // 1000 items with 100 symbol len