diff --git a/src/SSHLibrary/pythonclient.py b/src/SSHLibrary/pythonclient.py
index b603ce09f..870110ddf 100644
--- a/src/SSHLibrary/pythonclient.py
+++ b/src/SSHLibrary/pythonclient.py
@@ -115,7 +115,10 @@ def _output_available(self):
         return self._shell.recv_ready()
 
     def write(self, text):
-        self._shell.sendall(text)
+        try:
+            self._shell.sendall(text)
+        except SSHClientException, e:
+            raise RuntimeError(e)
 
 
 class SFTPClient(AbstractSFTPClient):