diff --git a/poky/scripts/oepydevshell-internal.py b/poky/scripts/oepydevshell-internal.py
index 04621ae..2f7d5d4 100755
--- a/poky/scripts/oepydevshell-internal.py
+++ b/poky/scripts/oepydevshell-internal.py
@@ -63,7 +63,9 @@
             (ready, _, _) = select.select([pty, sys.stdin], writers , [], 0)
             try:
                 if pty in ready:
-                    i = i + pty.read().decode('utf-8')
+                    readdata = pty.read()
+                    if readdata:
+                        i = i + readdata.decode('utf-8')
                 if i:
                     # Write a page at a time to avoid overflowing output 
                     # d.keys() is a good way to do that