diff --git a/Makefile b/Makefile
index 2009017..84e5ca5 100644
--- a/Makefile
+++ b/Makefile
@@ -1,2 +1,2 @@
 all:
-	gcc -Wall -Wextra -pedantic -Werror -o executable c-basic/*.c
+	gcc -Wall -Wextra -pedantic -Werror -o executable c-basic/*.c c-basic/hex_read_scanf.c