diff --git a/weboob/core/modules.py b/weboob/core/modules.py
index 5c9e16e1..25024233 100644
--- a/weboob/core/modules.py
+++ b/weboob/core/modules.py
@@ -29,7 +29,7 @@ __all__ = ['Module', 'ModulesLoader', 'ModuleLoadError']
 
 class ModuleLoadError(Exception):
     def __init__(self, module_name, msg):
-        Exception.__init__(self, u'Unable to load module "%s": %s' % (module_name, msg))
+        Exception.__init__(self, msg)
         self.module = module_name
 
 class Module(object):
diff --git a/weboob/core/ouiboube.py b/weboob/core/ouiboube.py
index 5180077d..8c8bf0ab 100644
--- a/weboob/core/ouiboube.py
+++ b/weboob/core/ouiboube.py
@@ -217,7 +217,7 @@ class Weboob(object):
             try:
                 module = self.modules_loader.get_or_load_module(module_name)
             except ModuleLoadError, e:
-                self.logger.error(e)
+                self.logger.error(u'Unable to load module "%s": %s' % (module_name, e))
                 continue
 
             if instance_name in self.backend_instances: