diff --git a/src/Types.h b/src/Types.h
index ba5112e..28e2bcd 100644
--- a/src/Types.h
+++ b/src/Types.h
@@ -63,7 +63,7 @@ namespace Feather
         ChunkPos(BlockPos pos) : x(pos.x >> 4), z(pos.z >> 4) {}
 
         // Decode from packed int64
-        ChunkPos(int64_t packed) : x(packed), z(packed >> 32) {}
+        ChunkPos(int64_t packed) : x((int32_t)packed), z(packed >> 32) {}
 
         // Pack into one int64
         inline int64_t Encode()