diff --git a/build0.bat b/build0.bat
index d1f9eb0942..37d3c0a451 100644
--- a/build0.bat
+++ b/build0.bat
@@ -1,2 +1,2 @@
 
-xonsh ./build1_win.sh
+xonsh ./build0_win.xsh
diff --git a/build1_win.sh b/build0_win.xsh
similarity index 92%
rename from build1_win.sh
rename to build0_win.xsh
index 63ea2d8e91..37f12342ca 100644
--- a/build1_win.sh
+++ b/build0_win.xsh
@@ -13,3 +13,4 @@ python src/libasr/asdl_cpp.py src/libasr/ASR.asdl src/libasr/asr.h
 
 pushd src/lpython/parser && re2c -W -b tokenizer.re -o tokenizer.cpp && popd
 pushd src/lpython/parser && bison -Wall -d -r all parser.yy && popd
+python src/libasr/wasm_instructions_visitor.py