diff --git a/MAIN/nms-patches/1.12.2/BlockObserver.patch b/MAIN/nms-patches/1.12.2/BlockObserver.patch
new file mode 100644
index 0000000..4fb0a16
--- /dev/null
+++ b/MAIN/nms-patches/1.12.2/BlockObserver.patch
@@ -0,0 +1,31 @@
+--- a/minecraft/server/BlockObserver.java
++++ b/minecraft/server/BlockObserver.java
+@@ -2,6 +2,8 @@
+ 
+ import java.util.Random;
+ 
++import org.bukkit.craftbukkit.event.CraftEventFactory;
++
+ public class BlockObserver extends BlockDirectional {
+ 
+     public static final BlockStateBoolean a = BlockStateBoolean.of("powered");
+@@ -26,8 +28,18 @@
+ 
+     public void b(World world, BlockPosition blockposition, IBlockData iblockdata, Random random) {
+         if (((Boolean) iblockdata.get(BlockObserver.a)).booleanValue()) {
++            // CraftBukkit start
++            if (CraftEventFactory.callRedstoneChange(world, blockposition.getX(), blockposition.getY(), blockposition.getZ(), 15, 0).getNewCurrent() != 0) {
++                return;
++            }
++            // CraftBukkit end
+             world.setTypeAndData(blockposition, iblockdata.set(BlockObserver.a, Boolean.valueOf(false)), 2);
+         } else {
++            // CraftBukkit start
++            if (CraftEventFactory.callRedstoneChange(world, blockposition.getX(), blockposition.getY(), blockposition.getZ(), 0, 15).getNewCurrent() != 15) {
++                return;
++            }
++            // CraftBukkit end
+             world.setTypeAndData(blockposition, iblockdata.set(BlockObserver.a, Boolean.valueOf(true)), 2);
+             world.a(blockposition, (Block) this, 2);
+         }
+
diff --git a/MAIN/nms-patches/1.12.2/BlockRedstoneComparator.patch b/MAIN/nms-patches/1.12.2/BlockRedstoneComparator.patch
new file mode 100644
index 0000000..6a00125
--- /dev/null
+++ b/MAIN/nms-patches/1.12.2/BlockRedstoneComparator.patch
@@ -0,0 +1,31 @@
+--- a/minecraft/server/BlockRedstoneComparator.java
++++ b/minecraft/server/BlockRedstoneComparator.java
+@@ -5,6 +5,8 @@
+ import java.util.Random;
+ import javax.annotation.Nullable;
+ 
++import org.bukkit.craftbukkit.event.CraftEventFactory; // CraftBukkit
++
+ public class BlockRedstoneComparator extends BlockDiodeAbstract implements ITileEntity {
+ 
+     public static final BlockStateBoolean POWERED = BlockStateBoolean.of("powered");
+@@ -164,8 +166,18 @@
+             boolean flag1 = this.A(iblockdata);
+ 
+             if (flag1 && !flag) {
++                // CraftBukkit start
++                if (CraftEventFactory.callRedstoneChange(world, blockposition.getX(), blockposition.getY(), blockposition.getZ(), 15, 0).getNewCurrent() != 0) {
++                    return;
++                }
++                // CraftBukkit end
+                 world.setTypeAndData(blockposition, iblockdata.set(BlockRedstoneComparator.POWERED, Boolean.valueOf(false)), 2);
+             } else if (!flag1 && flag) {
++                // CraftBukkit start
++                if (CraftEventFactory.callRedstoneChange(world, blockposition.getX(), blockposition.getY(), blockposition.getZ(), 0, 15).getNewCurrent() != 15) {
++                    return;
++                }
++                // CraftBukkit end
+                 world.setTypeAndData(blockposition, iblockdata.set(BlockRedstoneComparator.POWERED, Boolean.valueOf(true)), 2);
+             }
+ 
+
diff --git a/MAIN/nms-patches/1.12.2/README.md b/MAIN/nms-patches/1.12.2/README.md
new file mode 100644
index 0000000..4423ff2
--- /dev/null
+++ b/MAIN/nms-patches/1.12.2/README.md
@@ -0,0 +1,11 @@
+**Add Observer and Comparator support for spigot 1.12.2**
+1. Download [BuildTools](https://hub.spigotmc.org/jenkins/job/BuildTools)
+2. run ``java -jar BuildTools.jar --rev 1.12.2``
+3. Download this two patches : [BlockObserver](./BlockObserver.patch) , [BlockRedstoneComparator](./BlockRedstoneComparator.patch)
+4. go into ``CraftBukkit/nms-patches`` and place both ``.patch`` file into it
+5. go back on the BuildTools.jar folder and run ``java -jar BuildTools.jar --dont-update``
+6. You spigot is now patched to support Observer and Comparator
+
+More info about BuildTools and Spigot installation:
+https://www.spigotmc.org/wiki/spigot-installation
+https://www.spigotmc.org/wiki/buildtools
\ No newline at end of file