diff --git a/sat/plugins/plugin_xep_0198.py b/sat/plugins/plugin_xep_0198.py
index a93e301c..3b3a0b45 100644
--- a/sat/plugins/plugin_xep_0198.py
+++ b/sat/plugins/plugin_xep_0198.py
@@ -363,7 +363,7 @@ class XEP_0198(object):
             log.info(_("Stream Management enabled"))
         else:
             log.info(_(
-                "Stream Management enabled, with a resumption time of {res_m} min"
+                "Stream Management enabled, with a resumption time of {res_m:.2f} min"
                 .format(res_m = max_s/60)))
         session.session_max = max_s