diff --git a/wsme/api.py b/wsme/api.py
index 2321d97..b9347bc 100644
--- a/wsme/api.py
+++ b/wsme/api.py
@@ -209,7 +209,7 @@ def format_exception(excinfo, debug=False):
             else str(error)
         r = dict(faultcode="Client",
                  faultstring=faultstring)
-        log.warning("Client-side error: %s" % r['faultstring'])
+        log.debug("Client-side error: %s" % r['faultstring'])
         r['debuginfo'] = None
         return r
     else: