--- ../src-base/minecraft/net/minecraft/block/BlockRailBase.java
+++ ../src-work/minecraft/net/minecraft/block/BlockRailBase.java
@@ -98,7 +98,7 @@
         {
             this.func_150052_a(p_149726_1_, p_149726_2_, p_149726_3_, p_149726_4_, true);
 
-            if (this.field_150053_a)
+            if (this.field_150053_a&&p_149726_1_.getBlock(p_149726_2_,p_149726_3_,p_149726_4_)==this)
             {
                 this.onNeighborBlockChange(p_149726_1_, p_149726_2_, p_149726_3_, p_149726_4_, this);
             }