diff --git a/cache/src/test/java/net/runelite/cache/StoreLocation.java b/cache/src/test/java/net/runelite/cache/StoreLocation.java
index 015714e7e8..82514b903a 100644
--- a/cache/src/test/java/net/runelite/cache/StoreLocation.java
+++ b/cache/src/test/java/net/runelite/cache/StoreLocation.java
@@ -77,6 +77,9 @@ public class StoreLocation
 		InputStream in = StoreLocation.class.getResourceAsStream("/main_file_cache.dat2");
 		Files.copy(in, new File(file, "main_file_cache.dat2").toPath());
 
+		in = StoreLocation.class.getResourceAsStream("/main_file_cache.idx255");
+		Files.copy(in, new File(file, "main_file_cache.idx255").toPath());
+
 		for (int i = 0; i <= NUM_INDEXES; ++i)
 		{
 			in = StoreLocation.class.getResourceAsStream("/main_file_cache.idx" + i);