diff --git a/plugin/src/main/java/com/alttd/playershops/listener/PlayerListener.java b/plugin/src/main/java/com/alttd/playershops/listener/PlayerListener.java
index 2646b57..bad3661 100644
--- a/plugin/src/main/java/com/alttd/playershops/listener/PlayerListener.java
+++ b/plugin/src/main/java/com/alttd/playershops/listener/PlayerListener.java
@@ -95,6 +95,8 @@ public class PlayerListener extends EventListener {
         if (shopHandler.isShopMaterial(bRelative)) {
             Sign signBlock = (Sign) b.getState();
             Component signLine = event.line(0);
+            if (signLine == null)
+                return;
             String signLineString = PlainTextComponentSerializer.plainText().serialize(signLine);
             if (!signLineString.equalsIgnoreCase(Config.shopCreationWord))
                 return;