diff --git a/unoconv b/unoconv
index 6aa1bfa..0e53113 100755
--- a/unoconv
+++ b/unoconv
@@ -1000,7 +1000,7 @@ class Convertor:
                 inputurl = 'private:stream'
             else:
                 if os.path.exists(inputfn):
-                    inputurl = unohelper.absolutize(self.cwd, unohelper.systemPathToFileUrl(inputfn))
+                    inputurl = pyuno.absolutize(self.cwd, unohelper.systemPathToFileUrl(inputfn))
                 else:
                     inputurl = inputfn
             document = self.desktop.loadComponentFromURL( inputurl , "_blank", 0, inputprops )
@@ -1014,7 +1014,7 @@ class Convertor:
                 if os.path.exists(op.template):
                     info(1, "Template file: %s" % op.template)
                     templateprops = UnoProps(OverwriteStyles=True)
-                    templateurl = unohelper.absolutize(self.cwd, unohelper.systemPathToFileUrl(op.template))
+                    templateurl = pyuno.absolutize(self.cwd, unohelper.systemPathToFileUrl(op.template))
                     document.StyleFamilies.loadStylesFromURL(templateurl, templateprops)
                 else:
                     print('unoconv: template file `%s\' does not exist.' % op.template, file=sys.stderr)
@@ -1157,7 +1157,7 @@ class Convertor:
                 else:
                     outputfn = realpath(inbase + os.extsep + outputfmt.extension)
 
-                outputurl = unohelper.absolutize( self.cwd, unohelper.systemPathToFileUrl(outputfn) )
+                outputurl = pyuno.absolutize( self.cwd, unohelper.systemPathToFileUrl(outputfn) )
 
             info(1, "Output file: %s" % outputurl)
 
@@ -1376,7 +1376,7 @@ if __name__ == '__main__':
         office_environ(of)
 #       debug_office()
         try:
-            import uno, unohelper
+            import pyuno, uno, unohelper
             office = of
             break
         except: