diff --git a/c-basic/main.c b/c-basic/main.c
index 69089bb..2f55127 100644
--- a/c-basic/main.c
+++ b/c-basic/main.c
@@ -1,9 +1,9 @@
 #include <stdio.h>
-#include "scanf_example.h"
+#include "scanf_example_two_numbers.h"
 
 int main() {
 
-  my_scan();
+  scan_two_numbers();
     
     return 0;
 }
diff --git a/c-basic/scanf_example_two_numbers.c b/c-basic/scanf_example_two_numbers.c
index 72ab12b..e42158a 100644
--- a/c-basic/scanf_example_two_numbers.c
+++ b/c-basic/scanf_example_two_numbers.c
@@ -1,4 +1,4 @@
-#include <stdio.h>
+#include "scanf_example_two_numbers.h"
 
 int scan_two_numbers()
 {
diff --git a/c-basic/scanf_example_two_numbers.h b/c-basic/scanf_example_two_numbers.h
new file mode 100644
index 0000000..a2d8107
--- /dev/null
+++ b/c-basic/scanf_example_two_numbers.h
@@ -0,0 +1,8 @@
+#ifndef SCANF_EXAMPLE_TWO_NUMBERS_H
+#define SCANF_EXAMPLE_TWO_NUMBERS_H
+
+#include <stdio.h>
+
+int scan_two_numbers();
+
+#endif