diff --git a/source/coral.cpp b/source/coral.cpp
index 6e2826f..3e530e5 100644
--- a/source/coral.cpp
+++ b/source/coral.cpp
@@ -42,9 +42,9 @@ export namespace coral {
 
 	usize const i32_max = 0xffffffff;
 
-	using u64 = uint32_t;
+	using u64 = uint64_t;
 
-	using i64 = uint32_t;
+	using i64 = uint64_t;
 
 	using f32 = float;