diff --git a/Spigot-Server-Patches/0251-Improve-Structures-Checking.patch b/Spigot-Server-Patches/0251-Improve-Structures-Checking.patch
index 9a8e77371..42c988d70 100644
--- a/Spigot-Server-Patches/0251-Improve-Structures-Checking.patch
+++ b/Spigot-Server-Patches/0251-Improve-Structures-Checking.patch
@@ -1,4 +1,4 @@
-From bbe1d20e6fb529ca5dcf54c45f77894badaf5a1b Mon Sep 17 00:00:00 2001
+From 7bdcb1b74acf4d7b9e27f11693273b0043b02903 Mon Sep 17 00:00:00 2001
 From: Aikar <aikar@aikar.co>
 Date: Sat, 11 Nov 2017 17:57:39 -0500
 Subject: [PATCH] Improve Structures Checking
@@ -47,7 +47,7 @@ index db419cd99..d9329bd42 100644
          return baseblockposition.getX() >= this.a && baseblockposition.getX() <= this.d && baseblockposition.getZ() >= this.c && baseblockposition.getZ() <= this.f && baseblockposition.getY() >= this.b && baseblockposition.getY() <= this.e;
      }
 diff --git a/src/main/java/net/minecraft/server/StructureGenerator.java b/src/main/java/net/minecraft/server/StructureGenerator.java
-index e8263baa4..09e49221d 100644
+index e8263baa4..f4dfba8f3 100644
 --- a/src/main/java/net/minecraft/server/StructureGenerator.java
 +++ b/src/main/java/net/minecraft/server/StructureGenerator.java
 @@ -6,6 +6,7 @@ import it.unimi.dsi.fastutil.longs.Long2ObjectMap;
@@ -145,8 +145,8 @@ index e8263baa4..09e49221d 100644
 +        }
 +        final BaseBlockPosition low = bb.getLowPosition();
 +        final BaseBlockPosition high = bb.getHighPosition();
-+        for (int x = low.getX() >> 4, maxX = high.getX() >> 4; x < maxX; x++) {
-+            for (int z = low.getZ() >> 4, maxZ = high.getZ() >> 4; z < maxZ; z++) {
++        for (int x = low.getX() >> 4, maxX = high.getX() >> 4; x <= maxX; x++) {
++            for (int z = low.getZ() >> 4, maxZ = high.getZ() >> 4; z <= maxZ; z++) {
 +                allStructures.put(ChunkCoordIntPair.asLong(x, z), structurestart);
 +            }
 +        }