diff --git a/user_channel/channel_mgmt.cpp b/user_channel/channel_mgmt.cpp
index d4757df..77297c4 100644
--- a/user_channel/channel_mgmt.cpp
+++ b/user_channel/channel_mgmt.cpp
@@ -844,7 +844,7 @@
                    tmpFile);
         return -EIO;
     }
-    const auto& writeData = jsonData.dump();
+    const auto& writeData = jsonData.dump(4);
     if (write(fd, writeData.c_str(), writeData.size()) !=
         static_cast<ssize_t>(writeData.size()))
     {