diff --git a/srcpkgs/firefox-esr/template b/srcpkgs/firefox-esr/template
index bb1b5f30a5..5b43fa3a4f 100644
--- a/srcpkgs/firefox-esr/template
+++ b/srcpkgs/firefox-esr/template
@@ -23,6 +23,10 @@ makedepends="nss-devel libjpeg-turbo-devel libpng-devel
 depends="nss>=3.17 desktop-file-utils hicolor-icon-theme"
 conflicts="firefox>=0"
 
+case "$XBPS_TARGET_MACHINE" in
+	x86_64-musl) broken="http://build.voidlinux.eu/builders/x86_64-musl_builder/builds/8766/steps/shell_3/logs/stdio";;
+esac
+
 if [ "$CROSS_BUILD" ]; then
 	# Make config/system_wrappers/alsa/alsalib.h and pulse/pulse.h find
 	# the required includes. Set system nspr and nss include paths.