diff --git a/src/main/java/emu/nebula/util/Bitset.java b/src/main/java/emu/nebula/util/Bitset.java
index 9502b16..5962b90 100644
--- a/src/main/java/emu/nebula/util/Bitset.java
+++ b/src/main/java/emu/nebula/util/Bitset.java
@@ -49,7 +49,7 @@ public class Bitset {
             System.arraycopy(oldData, 0, this.data, 0, oldData.length);
         }
         
-        this.data[longArrayOffset] &= (1L << bytePosition);
+        this.data[longArrayOffset] = ~(1L << bytePosition);
     }
     
     public byte[] toByteArray() {