diff --git a/src/main/java/io/gitlab/jfronny/resclone/Resclone.java b/src/main/java/io/gitlab/jfronny/resclone/Resclone.java
index f2cd57b..4efdaff 100644
--- a/src/main/java/io/gitlab/jfronny/resclone/Resclone.java
+++ b/src/main/java/io/gitlab/jfronny/resclone/Resclone.java
@@ -81,7 +81,13 @@ public class Resclone implements ClientModInitializer, RescloneApi {
                 fileName += Integer.toHexString(s.source.hashCode());
                 PackMetaLoaded p = new PackMetaLoaded(getConfigPath().resolve("cache").resolve(fileName), s.name);
                 //If file is not present: download and process pack
-                if (!Files.isRegularFile(p.zipPath)) {
+                Path p1 = p.zipPath;
+                if (Files.exists(p.zipPath)) {
+                    p1 = p.zipPath.getParent().resolve(p.zipPath.getFileName() + ".bak");
+                    Files.deleteIfExists(p1);
+                    Files.move(p.zipPath, p1);
+                }
+                try {
                     //Download
                     fetcherInstances.get(s.fetcher).get(s.source, p.zipPath);
                     //Process
@@ -89,7 +95,6 @@ public class Resclone implements ClientModInitializer, RescloneApi {
                     props.put("create", "false");
                     URI zipfile = URI.create("jar:" + p.zipPath.toUri().toString());
                     try (FileSystem zipfs = FileSystems.newFileSystem(zipfile, props)) {
-                        //ZipFile file = new ZipFile(meta.zipPath.toFile());
                         for (PackProcessor processor : processors) {
                             processor.process(zipfs);
                         }
@@ -98,8 +103,18 @@ public class Resclone implements ClientModInitializer, RescloneApi {
                         e.printStackTrace();
                     }
                 }
+                catch (Throwable e) {
+                    if (!p1.equals(p.zipPath)) {
+                        System.err.println("Failed to download, using cache");
+                        Files.deleteIfExists(p.zipPath);
+                        Files.move(p1, p.zipPath);
+                    } else
+                        throw new RescloneException("Failed to download initial");
+                }
+                if (!p1.equals(p.zipPath))
+                    Files.deleteIfExists(p1);
                 metas.add(p);
-            } catch (RescloneException e) {
+            } catch (Throwable e) {
                 e.printStackTrace();
             }
         }