diff --git a/libctru/include/ctr/types.h b/libctru/include/ctr/types.h
index 70f2688..d61eea8 100644
--- a/libctru/include/ctr/types.h
+++ b/libctru/include/ctr/types.h
@@ -6,15 +6,15 @@
 
 	#define U64_MAX (0xFFFFFFFFFFFFFFFF)
 
-	typedef unsigned char u8;
-	typedef unsigned short u16;
-	typedef unsigned int u32;
-	typedef unsigned long long u64;
+	typedef uint8_t u8;
+	typedef uint16_t u16;
+	typedef uint32_t u32;
+	typedef uint64_t u64;
 
-	typedef signed char s8;
-	typedef signed short s16;
-	typedef signed int s32;
-	typedef signed long long s64;
+	typedef int8_t s8;
+	typedef int16_t s16;
+	typedef int32_t s32;
+	typedef int64_t s64;
 
 	typedef volatile u8 vu8;
 	typedef volatile u16 vu16;