diff --git a/windows/make.bat b/windows/make.bat
index 5726874c..1f4325a7 100644
--- a/windows/make.bat
+++ b/windows/make.bat
@@ -1,12 +1,12 @@
 Rem build tex file from songbook file
-songbook.py --songbook=books\%1.sb --output=%1.tex
+python songbook.py --songbook=books\%1.sb --output=%1.tex
 
 Rem 1st pdf compilation 
 pdflatex %1.tex
 
 Rem build indexes
-songbook-makeindex.py %1_title.sxd > %1_title.sbx
-songbook-makeindex.py %1_auth.sxd > %1_auth.sbx
+python songbook-makeindex.py %1_title.sxd > %1_title.sbx
+python songbook-makeindex.py %1_auth.sxd > %1_auth.sbx
 
 Rem 2nd compilation to include indexes
 pdflatex %1.tex