diff --git a/paulstretch_mono.py b/paulstretch_mono.py
old mode 100644
new mode 100755
index 3f6236a..c0e6f03
--- a/paulstretch_mono.py
+++ b/paulstretch_mono.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 #
 # Paul's Extreme Sound Stretch (Paulstretch) - Python version
 #
diff --git a/paulstretch_newmethod.py b/paulstretch_newmethod.py
old mode 100644
new mode 100755
index efa6309..b0545c1
--- a/paulstretch_newmethod.py
+++ b/paulstretch_newmethod.py
@@ -168,7 +168,7 @@ def paulstretch(samplerate,smp,stretch,windowsize_seconds,onset_level,outfilenam
         output[output<-1.0]=-1.0
 
         #write the output to wav file
-        outfile.writeframes(int16(output.ravel(1)*32767.0).tostring())
+        outfile.writeframes(int16(output.ravel('F')*32767.0).tostring())
 
         if get_next_buf:
             start_pos+=displace_pos
diff --git a/paulstretch_stereo.py b/paulstretch_stereo.py
index df7797c..1480b04 100755
--- a/paulstretch_stereo.py
+++ b/paulstretch_stereo.py
@@ -120,7 +120,7 @@ def paulstretch(samplerate,smp,stretch,windowsize_seconds,outfilename):
         output[output<-1.0]=-1.0
 
         #write the output to wav file
-        outfile.writeframes(int16(output.ravel(1)*32767.0).tostring())
+        outfile.writeframes(int16(output.ravel('F')*32767.0).tostring())
 
         start_pos+=displace_pos
         if start_pos>=nsamples: