diff --git a/cache-updater/src/main/java/net/runelite/cache/updater/CacheUploader.java b/cache-updater/src/main/java/net/runelite/cache/updater/CacheUploader.java
index baad6971e0..ed685a9034 100644
--- a/cache-updater/src/main/java/net/runelite/cache/updater/CacheUploader.java
+++ b/cache-updater/src/main/java/net/runelite/cache/updater/CacheUploader.java
@@ -69,7 +69,7 @@ public class CacheUploader implements Runnable
 		archive.setHash(hash);
 
 		String path = new StringBuilder()
-			.append(hashStr.substring(0, 2))
+			.append(hashStr, 0, 2)
 			.append('/')
 			.append(hashStr.substring(2))
 			.toString();
diff --git a/http-service/src/main/java/net/runelite/http/service/cache/CacheService.java b/http-service/src/main/java/net/runelite/http/service/cache/CacheService.java
index e0fca4ac21..c0b767a68c 100644
--- a/http-service/src/main/java/net/runelite/http/service/cache/CacheService.java
+++ b/http-service/src/main/java/net/runelite/http/service/cache/CacheService.java
@@ -104,7 +104,7 @@ public class CacheService
 	{
 		String hashStr = BaseEncoding.base16().encode(archiveEntry.getHash());
 		String path = new StringBuilder()
-			.append(hashStr.substring(0, 2))
+			.append(hashStr, 0, 2)
 			.append('/')
 			.append(hashStr.substring(2))
 			.toString();