diff --git a/axl_io.c b/axl_io.c
index 91e9e5a..950edc4 100644
--- a/axl_io.c
+++ b/axl_io.c
@@ -25,7 +25,7 @@ i8 axl_putchar(i32 c)
     return char_to_write;
 }
 
-i8 axl_puts(const i8* str)
+i32 axl_puts(const i8* str)
 {
     HANDLE console_handle = GetStdHandle(STD_OUTPUT_HANDLE);
 
diff --git a/axl_io.h b/axl_io.h
index 02e86bf..bc72f90 100644
--- a/axl_io.h
+++ b/axl_io.h
@@ -4,7 +4,7 @@
 #define AXL_EOF -1 
 #define AXL_SUCCESS 0
 
-i8 axl_putchar(i32 c);
-i8 axl_puts(const i8* str);
+i8  axl_putchar(i32 c);
+i32 axl_puts(const i8* str);
 
 #endif // !AXL_IO_H