diff --git a/modules/launch_utils.py b/modules/launch_utils.py
index 8cdbafa50c8..264ec9ca6a4 100644
--- a/modules/launch_utils.py
+++ b/modules/launch_utils.py
@@ -441,7 +441,7 @@ def dump_sysinfo():
     import datetime
 
     text = sysinfo.get()
-    filename = f"sysinfo-{datetime.datetime.utcnow().strftime('%Y-%m-%d-%H-%M')}.txt"
+    filename = f"sysinfo-{datetime.datetime.utcnow().strftime('%Y-%m-%d-%H-%M')}.json"
 
     with open(filename, "w", encoding="utf8") as file:
         file.write(text)
diff --git a/modules/ui.py b/modules/ui.py
index ba0d8542b60..b82f3c5e8b1 100644
--- a/modules/ui.py
+++ b/modules/ui.py
@@ -1308,7 +1308,7 @@ def download_sysinfo(attachment=False):
         from fastapi.responses import PlainTextResponse
 
         text = sysinfo.get()
-        filename = f"sysinfo-{datetime.datetime.utcnow().strftime('%Y-%m-%d-%H-%M')}.txt"
+        filename = f"sysinfo-{datetime.datetime.utcnow().strftime('%Y-%m-%d-%H-%M')}.json"
 
         return PlainTextResponse(text, headers={'Content-Disposition': f'{"attachment" if attachment else "inline"}; filename="{filename}"'})