diff --git a/srcpkgs/vte3/template b/srcpkgs/vte3/template
index 76ac0ab7559..bb95007a677 100644
--- a/srcpkgs/vte3/template
+++ b/srcpkgs/vte3/template
@@ -15,6 +15,8 @@ license="LGPL-2.1"
 distfiles="${GNOME_SITE}/vte/${version%.*}/vte-${version}.tar.xz"
 checksum=2168f79d2043cbbe6d4375d01e54cebda71bb6f5d9dc8ad658b9a1dc1052de04
 
+# Suppress warnings as errors for NULL format strings (musl libc)
+CXXFLAGS="-Wno-error=format="
 # Package build options
 build_options="gir"
 # Disable gir for cross builds.