diff --git a/src/util/types.h b/src/util/intdef.h
similarity index 80%
rename from src/util/types.h
rename to src/util/intdef.h
index d0c4b77..ec675c7 100644
--- a/src/util/types.h
+++ b/src/util/intdef.h
@@ -1,9 +1,10 @@
-#pragma once
+#ifndef INTDEF_H
+#define INTDEF_H 1
 #include <stdint.h>
 typedef unsigned int uint;
 typedef unsigned long ulong;
 typedef unsigned long long ullong;
-typedef signed long long llong;
+typedef long long llong;
 
 typedef int8_t i8;
 typedef int16_t i16;
@@ -14,3 +15,4 @@ typedef uint8_t u8;
 typedef uint16_t u16;
 typedef uint32_t u32;
 typedef uint64_t u64;
+#endif