diff --git a/tools/Python/mcdisplay/webgl/npminstall.bat.in b/tools/Python/mcdisplay/webgl/npminstall.bat.in
index 2720adc1b..884a8d49b 100644
--- a/tools/Python/mcdisplay/webgl/npminstall.bat.in
+++ b/tools/Python/mcdisplay/webgl/npminstall.bat.in
@@ -1,5 +1,5 @@
 @set PATH=c:\\@FLAVOR@-@VERSION@\\bin;c:\\@FLAVOR@-@VERSION@\\miniconda3;%PATH%
 @cd %~dp0
-@npm.cmd install
-@npm.cmd run build
+@call npm.cmd install
+@call npm.cmd run build