diff --git a/src/cogs/net.py b/src/cogs/net.py
index 95c1c22..91bab30 100644
--- a/src/cogs/net.py
+++ b/src/cogs/net.py
@@ -420,7 +420,7 @@ class NetworkCog(commands.Cog):
         if enable_os_detection and not is_superuser:
             return await ctx.respond("OS detection is not available on this system.")
 
-        with tempfile.TemporaryDirectory(prefix=f"nmap-{ctx.user.id}-{ctx.message.created_at.timestamp():.0f}") as tmp:
+        with tempfile.TemporaryDirectory(prefix=f"nmap-{ctx.user.id}-{discord.utils.utcnow().timestamp():.0f}") as tmp:
             tmp_dir = Path(tmp)
             args = [
                 "nmap",