diff --git a/psycopg/connection_type.c b/psycopg/connection_type.c
index ae2f63b7..c8fa22c5 100644
--- a/psycopg/connection_type.c
+++ b/psycopg/connection_type.c
@@ -1395,8 +1395,7 @@ exit:
         PyObject *ptype = NULL, *pvalue = NULL, *ptb = NULL;
         PyErr_Fetch(&ptype, &pvalue, &ptb);
         obscure_password(self);
-        // if we got a system exit exception (not a subclass of Exception),
-        // leave it as is, do not restore
+        /* try ... except Exception: instead of try ... except: */
         if (PyErr_Occurred() && ! PyErr_ExceptionMatches(PyExc_Exception)) {
             Py_XDECREF(ptype);
             Py_XDECREF(pvalue);