diff --git a/store/plugins/store-tool-uploader/src/main/java/modelengine/jade/store/tool/upload/utils/FormatFileUtils.java b/store/plugins/store-tool-uploader/src/main/java/modelengine/jade/store/tool/upload/utils/FormatFileUtils.java
index c5c65872c4..081937381a 100644
--- a/store/plugins/store-tool-uploader/src/main/java/modelengine/jade/store/tool/upload/utils/FormatFileUtils.java
+++ b/store/plugins/store-tool-uploader/src/main/java/modelengine/jade/store/tool/upload/utils/FormatFileUtils.java
@@ -224,7 +224,7 @@ private static String buildSerializerErrorPath(MismatchedInputException ex) {
     public static File renameFile(File sourceFile) {
         String sourceFileName = sourceFile.getName();
         File targetFile = new File(sourceFile.getParent(),
-                FileUtils.ignoreExtension(sourceFileName) + "_" + System.currentTimeMillis() + FileUtils.extension(
+                FileUtils.ignoreExtension(sourceFileName) + "-" + System.currentTimeMillis() + FileUtils.extension(
                         sourceFileName));
         sourceFile.renameTo(targetFile);
         return targetFile;