diff --git a/src/main/java/me/cortex/voxy/common/world/SaveLoadSystem.java b/src/main/java/me/cortex/voxy/common/world/SaveLoadSystem.java
index c688f305..71775061 100644
--- a/src/main/java/me/cortex/voxy/common/world/SaveLoadSystem.java
+++ b/src/main/java/me/cortex/voxy/common/world/SaveLoadSystem.java
@@ -126,7 +126,7 @@ public class SaveLoadSystem {
 
         int nonEmptyBlockCount = 0;
         for (int i = 0; i < WorldSection.SECTION_VOLUME; i++) {
-            long state = lut[MemoryUtil.memGetShort(ptr)]; ptr += 2; if (VERIFY_MEMORY_ACCESS && data.size<=(ptr-data.address)) throw new IllegalStateException("Memory access OOB");
+            long state = lut[Short.toUnsignedInt(MemoryUtil.memGetShort(ptr))]; ptr += 2; if (VERIFY_MEMORY_ACCESS && data.size<=(ptr-data.address)) throw new IllegalStateException("Memory access OOB");
             nonEmptyBlockCount += Mapper.isAir(state)?0:1;
             section.data[z2lin(i)] = state;
         }