diff --git a/Adafruit_MCP230xx/Adafruit_MCP230xx.py b/Adafruit_MCP230xx/Adafruit_MCP230xx.py
index dc1b9c27..87961e2d 100755
--- a/Adafruit_MCP230xx/Adafruit_MCP230xx.py
+++ b/Adafruit_MCP230xx/Adafruit_MCP230xx.py
@@ -80,9 +80,8 @@ def pullup(self, pin, value):
         if self.num_gpios <= 8:
             return self._readandchangepin(MCP23008_GPPUA, pin, value)
         if self.num_gpios <= 16:
-            lvalue = self._readandchangepin(MCP23017_GPPUA, pin, value)
             if (pin < 8):
-                return
+                return self._readandchangepin(MCP23017_GPPUA, pin, value)
             else:
                 return self._readandchangepin(MCP23017_GPPUB, pin-8, value) << 8