diff --git a/pyipmi/errors.py b/pyipmi/errors.py
index 79bc80e..828a17d 100644
--- a/pyipmi/errors.py
+++ b/pyipmi/errors.py
@@ -90,11 +90,3 @@ def __init__(self, msg=None):
 
     def __str__(self):
         return "{}".format(self.msg)
-
-class IpmiLongPasswordError(Exception):
-    """Password longer than 20 bytes."""
-    def __init__(self, msg=None):
-        self.msg = msg
-
-    def __str__(self):
-        return "{}".format(self.msg)
diff --git a/pyipmi/interfaces/ipmitool.py b/pyipmi/interfaces/ipmitool.py
index 815041a..f2c1b54 100644
--- a/pyipmi/interfaces/ipmitool.py
+++ b/pyipmi/interfaces/ipmitool.py
@@ -21,7 +21,7 @@
 from array import array
 
 from ..session import Session
-from ..errors import IpmiTimeoutError, IpmiConnectionError, IpmiLongPasswordError
+from ..errors import IpmiTimeoutError, IpmiConnectionError
 from ..logger import log
 from ..msgs import encode_message, decode_message, create_message
 from ..msgs.constants import CC_OK
@@ -62,8 +62,7 @@ def __init__(self, interface_type='lan', cipher=None):
                 r".*Unable to establish.*")
         self.re_could_not_open = re.compile(
                 r".*Could not open device.*")
-        self.re_long_password = re.compile(
-                r".*password is longer than.*")
+
         self._session = None
 
     def open(self):
@@ -136,9 +135,6 @@ def _parse_output(self, output):
             if self.re_could_not_open.match(line):
                 raise RuntimeError('ipmitool failed: {}'.format(output))
 
-            if self.re_long_password.match(line):
-                raise IpmiLongPasswordError(line)
-
             hexstr += line.replace('\r', '').strip() + ' '
 
         hexstr = hexstr.strip()
diff --git a/pyipmi/session.py b/pyipmi/session.py
index 87091bf..bcdd51b 100644
--- a/pyipmi/session.py
+++ b/pyipmi/session.py
@@ -118,7 +118,7 @@ def _escape_dollar_sign(self, password):
         # The IPMI command is built and executed in a shell using Popen.
         # The '$_' combination has its own behavior in shell and it gets
         # replaced in the string.
-        return password.replace('$', '\$')
+        return password.replace('$', '\\$')
 
     def establish(self):
         if hasattr(self.interface, 'establish_session'):