diff --git a/fabric-1.18/src/main/java/org/dynmap/fabric_1_18/mixin/ServerPlayNetworkHandlerMixin.java b/fabric-1.18/src/main/java/org/dynmap/fabric_1_18/mixin/ServerPlayNetworkHandlerMixin.java
index 26b8c79e..20604d34 100644
--- a/fabric-1.18/src/main/java/org/dynmap/fabric_1_18/mixin/ServerPlayNetworkHandlerMixin.java
+++ b/fabric-1.18/src/main/java/org/dynmap/fabric_1_18/mixin/ServerPlayNetworkHandlerMixin.java
@@ -1,14 +1,26 @@
 package org.dynmap.fabric_1_18.mixin;
 
+import net.minecraft.block.BlockState;
+import net.minecraft.block.entity.BlockEntity;
+import net.minecraft.block.entity.SignBlockEntity;
+import net.minecraft.network.packet.c2s.play.UpdateSignC2SPacket;
 import net.minecraft.server.filter.TextStream;
 import net.minecraft.server.network.ServerPlayNetworkHandler;
 import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.server.world.ServerWorld;
+import net.minecraft.text.LiteralText;
+import net.minecraft.util.math.BlockPos;
+
+import java.util.List;
+
+import org.dynmap.fabric_1_18.event.BlockEvents;
 import org.dynmap.fabric_1_18.event.ServerChatEvents;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+import org.spongepowered.asm.mixin.injection.callback.LocalCapture;
 
 @Mixin(ServerPlayNetworkHandler.class)
 public abstract class ServerPlayNetworkHandlerMixin {
@@ -26,4 +38,29 @@ public abstract class ServerPlayNetworkHandlerMixin {
     public void onGameMessage(TextStream.Message message, CallbackInfo info) {
         ServerChatEvents.EVENT.invoker().onChatMessage(player, message.getRaw());
     }
-}
+
+    @Inject(
+            method = "onSignUpdate",
+            at = @At(
+                    value = "INVOKE",
+                    target = "Lnet/minecraft/block/entity/SignBlockEntity;markDirty()V",
+                    shift = At.Shift.BEFORE
+            ),
+            locals = LocalCapture.CAPTURE_FAILHARD
+    )
+    public void onSignUpdate(UpdateSignC2SPacket packet, List<TextStream.Message> signText, CallbackInfo info,
+            ServerWorld serverWorld, BlockPos blockPos, BlockState blockState, BlockEntity blockEntity, SignBlockEntity signBlockEntity)
+    {
+        // Pull the raw text from the input.
+        String[] rawTexts = new String[4];
+        for (int i=0; i<signText.size(); i++)
+            rawTexts[i] = signText.get(i).getRaw();
+
+        // Fire the event.
+        BlockEvents.SIGN_CHANGE_EVENT.invoker().onSignChange(serverWorld, blockPos, rawTexts, blockState.getMaterial(), player);
+
+        // Put the (possibly updated) texts in the sign. Ignore filtering (is this OK?).
+        for (int i=0; i<signText.size(); i++)
+            signBlockEntity.setTextOnRow(i, new LiteralText(rawTexts[i]));
+    }
+}
\ No newline at end of file