diff --git a/examples/upc-httpd.py b/examples/upc-httpd.py
index 5adf99d0..fc6c3498 100755
--- a/examples/upc-httpd.py
+++ b/examples/upc-httpd.py
@@ -208,7 +208,7 @@ def generate(self, bctype, bcsize, bcrotate, imgtype):
             cherrypy.response.headers['Content-Type'] = "image/jpeg"
         if(file_ext[1] == "BMP"):
             cherrypy.response.headers['Content-Type'] = "image/bmp"
-        if(file_ext[1] == "EPS"):
+        if(file_ext[1] == "PS"):
             cherrypy.response.headers['Content-Type'] = "application/postscript"
         if(file_ext[1] == "EPS"):
             cherrypy.response.headers['Content-Type'] = "application/postscript"
@@ -266,7 +266,7 @@ def index(self, **params):
             cherrypy.response.headers['Content-Type'] = "image/jpeg"
         if(file_ext[1] == "BMP"):
             cherrypy.response.headers['Content-Type'] = "image/bmp"
-        if(file_ext[1] == "EPS"):
+        if(file_ext[1] == "PS"):
             cherrypy.response.headers['Content-Type'] = "application/postscript"
         if(file_ext[1] == "EPS"):
             cherrypy.response.headers['Content-Type'] = "application/postscript"
@@ -326,7 +326,7 @@ def generate(self, bctype, bcsize, bcrotate, imgtype):
             cherrypy.response.headers['Content-Type'] = "image/jpeg"
         if(file_ext[1] == "BMP"):
             cherrypy.response.headers['Content-Type'] = "image/bmp"
-        if(file_ext[1] == "EPS"):
+        if(file_ext[1] == "PS"):
             cherrypy.response.headers['Content-Type'] = "application/postscript"
         if(file_ext[1] == "EPS"):
             cherrypy.response.headers['Content-Type'] = "application/postscript"