diff --git a/PIL/GifImagePlugin.py b/PIL/GifImagePlugin.py
index a195ff8c2..ec8301973 100644
--- a/PIL/GifImagePlugin.py
+++ b/PIL/GifImagePlugin.py
@@ -334,10 +334,13 @@ def _save_netpbm(im, fp, filename):
 
     import os
     from subprocess import Popen, check_call, PIPE, CalledProcessError
+    import tempfile    
     file = im._dump()
+
     if im.mode != "RGB":
         with open(filename, 'wb') as f:
-            check_call(["ppmtogif", file], stdout=f)
+            stderr = tempfile.TemporaryFile()
+            check_call(["ppmtogif", file], stdout=f, stderr=stderr)
     else:
         with open(filename, 'wb') as f:
 
@@ -345,9 +348,11 @@ def _save_netpbm(im, fp, filename):
             # "ppmquant 256 %s | ppmtogif > %s" % (file, filename)
             quant_cmd = ["ppmquant", "256", file]
             togif_cmd = ["ppmtogif"]
-            quant_proc = Popen(quant_cmd, stdout=PIPE)
-            togif_proc = Popen(togif_cmd, stdin=quant_proc.stdout, stdout=f)
-
+            stderr = tempfile.TemporaryFile()
+            quant_proc = Popen(quant_cmd, stdout=PIPE, stderr=stderr)
+            stderr = tempfile.TemporaryFile()
+            togif_proc = Popen(togif_cmd, stdin=quant_proc.stdout, stdout=f, stderr=stderr)
+            
             # Allow ppmquant to receive SIGPIPE if ppmtogif exits
             quant_proc.stdout.close()