diff --git a/util/ec3po/console.py b/util/ec3po/console.py
index 962d042ff3..39278e343d 100755
--- a/util/ec3po/console.py
+++ b/util/ec3po/console.py
@@ -635,32 +635,42 @@ def StartLoop(console):
   """
   console.logger.info('EC Console is being served on %s.', console.user_pty)
   console.logger.debug(console)
-  while True:
-    # Check to see if pipes or the console are ready for reading.
-    read_list = [console.master_pty, console.cmd_pipe, console.dbg_pipe]
-    ready_for_reading = select.select(read_list, [], [])[0]
+  try:
+    while True:
+      # Check to see if pipes or the console are ready for reading.
+      read_list = [console.master_pty, console.cmd_pipe, console.dbg_pipe]
+      ready_for_reading = select.select(read_list, [], [])[0]
 
-    for obj in ready_for_reading:
-      if obj is console.master_pty:
-        console.logger.debug('Input from user')
-        # Convert to bytes so we can look for non-printable chars such as
-        # Ctrl+A, Ctrl+E, etc.
-        line = bytearray(os.read(console.master_pty, CONSOLE_MAX_READ))
-        for i in line:
-          # Handle each character as it arrives.
-          console.HandleChar(i)
+      for obj in ready_for_reading:
+        if obj is console.master_pty:
+          console.logger.debug('Input from user')
+          # Convert to bytes so we can look for non-printable chars such as
+          # Ctrl+A, Ctrl+E, etc.
+          line = bytearray(os.read(console.master_pty, CONSOLE_MAX_READ))
+          for i in line:
+            # Handle each character as it arrives.
+            console.HandleChar(i)
 
-      elif obj is console.cmd_pipe:
-        data = console.cmd_pipe.recv()
-        # Write it to the user console.
-        console.logger.debug('|CMD|->\'%s\'', data)
-        os.write(console.master_pty, data)
+        elif obj is console.cmd_pipe:
+          data = console.cmd_pipe.recv()
+          # Write it to the user console.
+          console.logger.debug('|CMD|->\'%s\'', data)
+          os.write(console.master_pty, data)
 
-      elif obj is console.dbg_pipe:
-        data = console.dbg_pipe.recv()
-        # Write it to the user console.
-        console.logger.debug('|DBG|->\'%s\'', data)
-        os.write(console.master_pty, data)
+        elif obj is console.dbg_pipe:
+          data = console.dbg_pipe.recv()
+          # Write it to the user console.
+          console.logger.debug('|DBG|->\'%s\'', data)
+          os.write(console.master_pty, data)
+
+  finally:
+    # Close pipes.
+    console.dbg_pipe.close()
+    console.cmd_pipe.close()
+    # Close file descriptor.
+    os.close(console.master_pty)
+    # Exit.
+    sys.exit(0)
 
 
 def main(argv):
@@ -676,7 +686,6 @@ def main(argv):
   # Set up argument parser.
   parser = argparse.ArgumentParser(description=('Start interactive EC console '
                                                 'and interpreter.'))
-  # TODO(aaboagye): Eventually get this from servod.
   parser.add_argument('ec_uart_pty',
                       help=('The full PTY name that the EC UART'
                             ' is present on. eg: /dev/pts/12'))
diff --git a/util/ec3po/interpreter.py b/util/ec3po/interpreter.py
index 31079fb908..b71607f254 100644
--- a/util/ec3po/interpreter.py
+++ b/util/ec3po/interpreter.py
@@ -20,6 +20,7 @@ import logging
 import os
 import Queue
 import select
+import sys
 
 
 COMMAND_RETRIES = 3  # Number of attempts to retry a command.
@@ -312,19 +313,29 @@ def StartLoop(interp):
   Args:
     interp: An Interpreter object that has been properly initialised.
   """
-  while True:
-    readable, writeable, _ = select.select(interp.inputs, interp.outputs, [])
+  try:
+    while True:
+      readable, writeable, _ = select.select(interp.inputs, interp.outputs, [])
 
-    for obj in readable:
-      # Handle any debug prints from the EC.
-      if obj is interp.ec_uart_pty:
-        interp.HandleECData()
+      for obj in readable:
+        # Handle any debug prints from the EC.
+        if obj is interp.ec_uart_pty:
+          interp.HandleECData()
 
-      # Handle any commands from the user.
-      elif obj is interp.cmd_pipe:
-        interp.HandleUserData()
+        # Handle any commands from the user.
+        elif obj is interp.cmd_pipe:
+          interp.HandleUserData()
 
-    for obj in writeable:
-      # Send a command to the EC.
-      if obj is interp.ec_uart_pty:
-        interp.SendCmdToEC()
+      for obj in writeable:
+        # Send a command to the EC.
+        if obj is interp.ec_uart_pty:
+          interp.SendCmdToEC()
+
+  finally:
+    # Close pipes.
+    interp.cmd_pipe.close()
+    interp.dbg_pipe.close()
+    # Close file descriptor.
+    interp.ec_uart_pty.close()
+    # Exit.
+    sys.exit(0)