1 files changed, 2 insertions, 0 deletions
diff --git a/kc/core/port.h b/kc/core/port.h
index cc71973..1ef86f2 100644
--- a/kc/core/port.h
+++ b/kc/core/port.h
@@ -1,3 +1,5 @@
+#pragma once
+
 #include <stdint.h>
 
 uint8_t inb(uint16_t port);