diff --git a/common/src/main/java/bisq/common/file/FileUtil.java b/common/src/main/java/bisq/common/file/FileUtil.java
index f69c2df88d3..1f5771e5010 100644
--- a/common/src/main/java/bisq/common/file/FileUtil.java
+++ b/common/src/main/java/bisq/common/file/FileUtil.java
@@ -24,6 +24,12 @@
 import org.apache.commons.io.FileUtils;
 import org.apache.commons.io.IOUtils;
 
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
+
+import java.nio.file.FileSystem;
+import java.nio.file.FileSystems;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 
@@ -33,9 +39,12 @@
 import java.io.InputStream;
 
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.Comparator;
 import java.util.Date;
 import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
 import lombok.extern.slf4j.Slf4j;
 
@@ -168,6 +177,35 @@ public static void resourceToFile(String resourcePath,
         }
     }
 
+    public static List<String> listResourceDirectory(String directoryName) throws IOException, ResourceNotFoundException {
+        URL url = Thread.currentThread().getContextClassLoader().getResource(directoryName);
+        if (url == null) {
+            throw new ResourceNotFoundException(directoryName);
+        }
+        URI uri;
+        try {
+            uri = url.toURI();
+        } catch (URISyntaxException e) {
+            throw new IOException(e);
+        }
+        if (url.getProtocol().equals("file")) {
+            File dir = new File(uri);
+            String[] filenames = dir.list();
+            if (filenames != null) {
+                return List.of(filenames);
+            }
+        } else if (url.getProtocol().equals("jar")) {
+            try (FileSystem fileSystem = FileSystems.newFileSystem(uri, Collections.emptyMap());
+                 Stream<Path> filePaths = java.nio.file.Files.walk(fileSystem.getPath(directoryName), 1)) { //NOPMD
+                return filePaths
+                        .skip(1)
+                        .map(path -> path.getFileName().toString())
+                        .collect(Collectors.toUnmodifiableList());
+            }
+        }
+        throw new IOException("Failed to list resource directory: " + directoryName);
+    }
+
     public static void renameFile(File oldFile, File newFile) throws IOException {
         if (Utilities.isWindows()) {
             // Work around an issue on Windows whereby you can't rename over existing files.
diff --git a/core/src/main/java/bisq/core/dao/state/storage/BsqBlocksStorageService.java b/core/src/main/java/bisq/core/dao/state/storage/BsqBlocksStorageService.java
index 6b6002e0fc4..cecce4ac136 100644
--- a/core/src/main/java/bisq/core/dao/state/storage/BsqBlocksStorageService.java
+++ b/core/src/main/java/bisq/core/dao/state/storage/BsqBlocksStorageService.java
@@ -21,6 +21,7 @@
 import bisq.core.dao.state.model.blockchain.Block;
 
 import bisq.common.config.Config;
+import bisq.common.file.FileUtil;
 import bisq.common.proto.persistable.PersistenceProtoResolver;
 
 import protobuf.BaseBlock;
@@ -29,10 +30,6 @@
 import javax.inject.Named;
 import javax.inject.Singleton;
 
-import org.apache.commons.io.FileUtils;
-
-import java.net.URL;
-
 import java.io.File;
 
 import java.util.LinkedList;
@@ -116,27 +113,19 @@ void copyFromResources(String postFix) {
                 return;
             }
 
-            URL dirUrl = getClass().getClassLoader().getResource(resourceDir);
-            if (dirUrl == null) {
-                log.info("Directory {} in resources does not exist.", resourceDir);
-                return;
-            }
-            File dir = new File(dirUrl.toURI());
-            String[] fileNames = dir.list();
-            if (fileNames == null) {
-                log.info("No files in directory. {}", dir.getAbsolutePath());
+            List<String> fileNames = FileUtil.listResourceDirectory(resourceDir);
+            if (fileNames.isEmpty()) {
+                log.info("No files in directory. {}", resourceDir);
                 return;
             }
             if (!storageDir.exists()) {
                 storageDir.mkdir();
             }
             for (String fileName : fileNames) {
-                URL url = getClass().getClassLoader().getResource(resourceDir + File.separator + fileName);
-                File resourceFile = new File(url.toURI());
                 File destinationFile = new File(storageDir, fileName);
-                FileUtils.copyFile(resourceFile, destinationFile);
+                FileUtil.resourceToFile(resourceDir + "/" + fileName, destinationFile);
             }
-            log.info("Copying {} resource files took {} ms", fileNames.length, System.currentTimeMillis() - ts);
+            log.info("Copying {} resource files took {} ms", fileNames.size(), System.currentTimeMillis() - ts);
         } catch (Throwable e) {
             e.printStackTrace();
         }