diff --git a/sat/tools/common/async_process.py b/sat/tools/common/async_process.py
index 23c33c7e..686673e3 100644
--- a/sat/tools/common/async_process.py
+++ b/sat/tools/common/async_process.py
@@ -76,7 +76,8 @@ class CommandProtocol(protocol.ProcessProtocol):
     def processEnded(self, reason):
         data = b''.join(self.data)
         if (reason.value.exitCode == 0):
-            log.debug(_('{name} command succeed').format(name=self.command_name))
+            log.debug(_('{name!r} command succeed').format(
+                name=self.command_name.decode('utf-8', 'ignore')))
             # we don't use "replace" on purpose, we want an exception if decoding
             # is not working properly
             self._deferred.callback(data)