--- ../src-base/minecraft/net/minecraft/block/BlockObserver.java
+++ ../src-work/minecraft/net/minecraft/block/BlockObserver.java
@@ -145,4 +145,12 @@
     {
         return this.func_176223_P().func_177226_a(field_176387_N, EnumFacing.func_82600_a(p_176203_1_ & 7));
     }
+
+    /* ======================================== FORGE START =====================================*/
+    @Override
+    public void observedNeighborChange(IBlockState observerState, World world, BlockPos observerPos, Block changedBlock, BlockPos changedBlockPos)
+    {
+        func_190962_b(observerState, world, observerPos, changedBlock, changedBlockPos);
+    }
+    /* ========================================= FORGE END ======================================*/
 }