diff --git a/srcpkgs/sessreg/template b/srcpkgs/sessreg/template
index 2d7dffd6f5..38e576391e 100644
--- a/srcpkgs/sessreg/template
+++ b/srcpkgs/sessreg/template
@@ -1,7 +1,7 @@
 # Template build file for 'sessreg'.
 pkgname=sessreg
 version=1.1.0
-revision=3
+revision=4
 build_style=gnu-configure
 hostmakedepends="pkg-config"
 makedepends="libX11-devel"
@@ -12,10 +12,14 @@ maintainer="Juan RP <xtraeme@voidlinux.eu>"
 distfiles="${XORG_SITE}/app/$pkgname-$version.tar.bz2"
 checksum=551177657835e0902b5eee7b19713035beaa1581bbd3c6506baa553e751e017c
 
-# musl does not define _WTMPX_FILE, use WTMP_FILE instead.
-CFLAGS="-D_WTMPX_FILE=WTMP_FILE -D_PATH_WTMPX=_PATH_WTMP"
-# musl does not define _UTMPX_FILE, use UTMP_FILE instead.
-CFLAGS+=" -D_UTMPX_FILE=UTMP_FILE -D_PATH_UTMPX=_PATH_UTMP"
+case "$XBPS_TARGET_MACHINE" in
+	*-musl)
+		# musl does not define _WTMPX_FILE, use WTMP_FILE instead.
+		CFLAGS="-D_WTMPX_FILE=WTMP_FILE -D_PATH_WTMPX=_PATH_WTMP"
+		# musl does not define _UTMPX_FILE, use UTMP_FILE instead.
+		CFLAGS+=" -D_UTMPX_FILE=UTMP_FILE -D_PATH_UTMPX=_PATH_UTMP"
+		;;
+esac
 
 post_install() {
 	vlicense COPYING