diff --git a/src/devices/wwan/nm-modem-broadband.c b/src/devices/wwan/nm-modem-broadband.c
index f78813fc58..4b16fb1440 100644
--- a/src/devices/wwan/nm-modem-broadband.c
+++ b/src/devices/wwan/nm-modem-broadband.c
@@ -119,7 +119,10 @@ G_DEFINE_TYPE (NMModemBroadband, nm_modem_broadband, NM_TYPE_MODEM)
             char __prefix_name[128]; \
             const char *__uid; \
             \
-            _nm_log (_level, (_NMLOG_DOMAIN), 0, NULL, NULL, \
+            _nm_log (_level, (_NMLOG_DOMAIN), 0, NULL, \
+                     ((__self && __self->_priv.ctx) \
+                         ? nm_connection_get_uuid (__self->_priv.ctx->connection) \
+                         : NULL), \
                      "%s%s: " _NM_UTILS_MACRO_FIRST(__VA_ARGS__), \
                      _NMLOG_PREFIX_NAME, \
                      (__self \