diff --git a/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/tasks/TickerTask.java b/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/tasks/TickerTask.java
index 91525994fb..e9bd30ad16 100644
--- a/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/tasks/TickerTask.java
+++ b/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/tasks/TickerTask.java
@@ -138,7 +138,7 @@ private void tickChunk(ChunkPosition chunk, Set<BlockTicker> tickers, Set<Locati
         try {
             // Only continue if the Chunk is actually loaded
             if (chunk.isLoaded()) {
-                for (Location l : locations) {
+                for (Location l : new HashSet<>(locations)) {
                     tickLocation(tickers, l);
                 }
             }