diff --git a/.Rbuildignore b/.Rbuildignore
index b84b34e..f5e3ca3 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -6,6 +6,7 @@
 ^blp
 ^inst/blp
 src/Makevars$
+src/Makevars.win$
 ^\.Rhistory
 ^.*\.tar\.gz$
 ^\.github
diff --git a/configure b/configure
index bd6c5fc..1a2214a 100755
--- a/configure
+++ b/configure
@@ -3,7 +3,7 @@
 ##
 ##  configure -- Unix build preparation system
 ##
-##  Copyright (C) 2015 - 2025  Dirk Eddelbuettel and Jeroen Ooms.
+##  Copyright (C) 2015-2026  Dirk Eddelbuettel and Jeroen Ooms.
 ##
 ##  This file is part of Rblpapi
 ##
diff --git a/configure.win b/configure.win
new file mode 100644
index 0000000..5d5df2d
--- /dev/null
+++ b/configure.win
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+: ${R_HOME:=`R RHOME`}
+
+${R_HOME}/bin/Rscript tools/configureWin.R
diff --git a/src/Makevars.win b/src/Makevars.win.in
similarity index 100%
rename from src/Makevars.win
rename to src/Makevars.win.in
diff --git a/tools/configureWin.R b/tools/configureWin.R
new file mode 100644
index 0000000..2b0e060
--- /dev/null
+++ b/tools/configureWin.R
@@ -0,0 +1,10 @@
+
+## See e.g. github package 'eddelbuettel/tellme' at r-universe for output on
+## various platform; there we aim at windows-arm64 for which we have Blp library
+if (R.version$arch == "aarch64" && R.version$os == "mingw32") {
+    ## windows-arm does not have a Blp library so we use the 'no blp' Makevars
+    rc <- file.copy("src/Makevars.no_nlp", "src/Makevars.win")
+} else {
+    ## else use the (old) default build (still accounting for 32 bit)
+    rc <- file.copy("src/Makevars.win.in", "src/Makevars.win")
+}