diff --git a/changelog.md b/changelog.md
index 579ded0..9c3e74d 100644
--- a/changelog.md
+++ b/changelog.md
@@ -31,6 +31,7 @@ These changes will (most likely) be included in the next version.
 - Zombies, husks, drowned, zombie villagers, piglins, hoglins, and zoglins without the `baby` prefix are now forced into adulthood to prevent them from occasionally spawning as babies.
 - Reward groups with `nothing` in them no longer cause errors when earned/granted.
 - The title-based announcer and the title-based boss health bar have been fixed to work with the breaking change to the Title API in Spigot 1.17.
+- Arena Signs now correctly update for arenas that don't have `kebab-case` names in the config-file. 
 
 ## [0.106] - 2021-05-09
 ### Added
diff --git a/src/main/java/com/garbagemule/MobArena/signs/HandlesArenaUpdates.java b/src/main/java/com/garbagemule/MobArena/signs/HandlesArenaUpdates.java
index 966b6a4..71bb384 100644
--- a/src/main/java/com/garbagemule/MobArena/signs/HandlesArenaUpdates.java
+++ b/src/main/java/com/garbagemule/MobArena/signs/HandlesArenaUpdates.java
@@ -71,7 +71,7 @@ class HandlesArenaUpdates implements Listener {
 
     private void handle(Arena arena) {
         scheduler.runTask(plugin, () -> {
-            List<ArenaSign> signs = signStore.findByArenaId(arena.configName());
+            List<ArenaSign> signs = signStore.findByArenaId(arena.getSlug());
             signs.forEach(signRenderer::render);
         });
     }
diff --git a/src/test/java/com/garbagemule/MobArena/signs/HandlesArenaUpdatesTest.java b/src/test/java/com/garbagemule/MobArena/signs/HandlesArenaUpdatesTest.java
new file mode 100644
index 0000000..e219648
--- /dev/null
+++ b/src/test/java/com/garbagemule/MobArena/signs/HandlesArenaUpdatesTest.java
@@ -0,0 +1,60 @@
+package com.garbagemule.MobArena.signs;
+
+import com.garbagemule.MobArena.MobArena;
+import com.garbagemule.MobArena.events.ArenaPlayerJoinEvent;
+import com.garbagemule.MobArena.framework.Arena;
+import org.bukkit.Server;
+import org.bukkit.scheduler.BukkitScheduler;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.junit.MockitoJUnitRunner;
+
+import java.util.Collections;
+
+import static org.mockito.Mockito.*;
+
+@SuppressWarnings("WeakerAccess")
+@RunWith(MockitoJUnitRunner.StrictStubs.class)
+public class HandlesArenaUpdatesTest {
+
+    SignStore signStore;
+    SignRenderer signRenderer;
+    BukkitScheduler scheduler;
+
+    HandlesArenaUpdates subject;
+
+    @Before
+    public void setup() {
+        signStore = mock(SignStore.class);
+        signRenderer = mock(SignRenderer.class);
+        scheduler = mock(BukkitScheduler.class);
+
+        MobArena plugin = mock(MobArena.class);
+        Server server = mock(Server.class);
+        when(plugin.getServer()).thenReturn(server);
+        when(server.getScheduler()).thenReturn(scheduler);
+
+        subject = new HandlesArenaUpdates(signStore, signRenderer, plugin);
+    }
+
+    @Test
+    public void usesArenaSlugForLookups() {
+        String slug = "angry-dingo";
+        Arena arena = mock(Arena.class);
+        ArenaSign sign = new ArenaSign(null, "cool-sign", slug, "info");
+        when(scheduler.runTask(any(), any(Runnable.class))).thenAnswer(i -> {
+            Runnable task = i.getArgument(1);
+            task.run();
+            return null;
+        });
+        when(arena.getSlug()).thenReturn(slug);
+        when(signStore.findByArenaId(slug)).thenReturn(Collections.singletonList(sign));
+        ArenaPlayerJoinEvent event = new ArenaPlayerJoinEvent(null, arena);
+
+        subject.on(event);
+
+        verify(signRenderer).render(sign);
+    }
+
+}