diff --git a/libervia/backend/core/xmpp.py b/libervia/backend/core/xmpp.py
index bfeaf275..ecce68f9 100644
--- a/libervia/backend/core/xmpp.py
+++ b/libervia/backend/core/xmpp.py
@@ -261,7 +261,7 @@ class SatXMPPEntity(core_types.SatXMPPEntity):
                         f"There is already a connected profile of name {profile!r} in "
                         f"host"
                     )
-                log.debug("removing unconnected profile {profile!r}")
+                log.debug(f"removing unconnected profile {profile!r}")
                 del host.profiles[profile]
             entity = host.profiles[profile] = cls(
                 host,