diff --git a/libfprint/nbis/fix-musl-build.patch b/libfprint/nbis/fix-musl-build.patch
new file mode 100644
index 00000000..e27a8fa7
--- /dev/null
+++ b/libfprint/nbis/fix-musl-build.patch
@@ -0,0 +1,31 @@
+From 2584d440afc87d463cb8dc809d48c660e091c2c4 Mon Sep 17 00:00:00 2001
+From: Sam James <sam@gentoo.org>
+Date: Thu, 23 Jun 2022 05:57:46 +0100
+Subject: [PATCH] nbis: fix build on musl
+
+Drop re-definition of stderr. There's no need for this anywhere
+(including glibc). This breaks in particular on musl because
+stderr (and stdin) are both const, and macros unlike in glibc.
+
+Bug: https://bugs.gentoo.org/853811
+---
+ nbis/include/bozorth.h | 2 --
+ 1 file changed, 2 deletions(-)
+
+diff --git a/nbis/include/bozorth.h b/nbis/include/bozorth.h
+index a705da98..fd8975bf 100644
+--- a/nbis/include/bozorth.h
++++ b/nbis/include/bozorth.h
+@@ -217,8 +217,6 @@ struct xytq_struct {
+ /**************************************************************************/
+ /* Globals supporting command line options */
+ extern int verbose_threshold;
+-/* Global supporting error reporting */
+-extern FILE *stderr;
+ 
+ /**************************************************************************/
+ /* In: BZ_GBLS.C */
+-- 
+GitLab
+
+
diff --git a/libfprint/nbis/include/bozorth.h b/libfprint/nbis/include/bozorth.h
index a705da98..fd8975bf 100644
--- a/libfprint/nbis/include/bozorth.h
+++ b/libfprint/nbis/include/bozorth.h
@@ -217,8 +217,6 @@ struct xytq_struct {
 /**************************************************************************/
 /* Globals supporting command line options */
 extern int verbose_threshold;
-/* Global supporting error reporting */
-extern FILE *stderr;
 
 /**************************************************************************/
 /* In: BZ_GBLS.C */
diff --git a/libfprint/nbis/update-from-nbis.sh b/libfprint/nbis/update-from-nbis.sh
index f7ec0eeb..9bbaf790 100755
--- a/libfprint/nbis/update-from-nbis.sh
+++ b/libfprint/nbis/update-from-nbis.sh
@@ -198,3 +198,6 @@ patch -p0 < fix-scan-build-reports.patch
 
 # Add pass to remove perimeter points
 patch -p0 < remove-perimeter-pts.patch
+
+# Fix build on musl by dropping unnecessary redeclaration of stderr
+patch -p0 < fix-musl-build.patch