diff --git a/0012_roman_numeral/roman_numeral.c b/0012_roman_numeral/roman_numeral.c
index 4bdb8ec..b66c249 100644
--- a/0012_roman_numeral/roman_numeral.c
+++ b/0012_roman_numeral/roman_numeral.c
@@ -82,7 +82,8 @@ static char *intToRoman(int num)
     num2char(&p, hundred_bit, 2);
     num2char(&p, ten_bit, 1);
     num2char(&p, one_bit, 0);
-
+    *p = '\0';
+    
     return roman_numeral;
 }