diff --git a/etc/systemd/system/storm-webdav.service.d/storm-webdav.conf b/etc/systemd/system/storm-webdav.service.d/storm-webdav.conf
index 491f1952..bd57bef3 100644
--- a/etc/systemd/system/storm-webdav.service.d/storm-webdav.conf
+++ b/etc/systemd/system/storm-webdav.service.d/storm-webdav.conf
@@ -80,6 +80,9 @@ Environment="STORM_WEBDAV_TPC_MAX_CONNECTIONS=50"
 # Proactively verify checksums in third party copy
 Environment="STORM_WEBDAV_TPC_VERIFY_CHECKSUM=false"
 
+# Max number of active third party copy connections per route
+Environment="STORM_WEBDAV_TPC_MAX_CONNECTIONS_PER_ROUTE=25"
+
 # Enables the OAuth authorization server, used to issue bearer tokens
 # to clients presenting a VOMS credential
 # Environment="STORM_WEBDAV_AUTHZ_SERVER_ENABLE=false"