diff --git a/common/xbps-src/libexec/build.sh b/common/xbps-src/libexec/build.sh
index a35f709dec3..61a459f69cc 100755
--- a/common/xbps-src/libexec/build.sh
+++ b/common/xbps-src/libexec/build.sh
@@ -100,10 +100,7 @@ fi
 if [ -z "$CHROOT_READY" -a "$PKGNAME" = "base-files" ]; then
     msg_normal "Installing $PKGNAME into masterdir...\n"
     _log=$(mktemp --tmpdir || exit 1)
-    if [ -n "$XBPS_BUILD_FORCEMODE" ]; then
-        _flags="-f"
-    fi
-    XBPS_ARCH=$XBPS_MACHINE $XBPS_INSTALL_CMD ${_flags} -y $PKGNAME >${_log} 2>&1
+    XBPS_ARCH=$XBPS_MACHINE $XBPS_INSTALL_CMD -yf $PKGNAME >${_log} 2>&1
     if [ $? -ne 0 ]; then
         msg_red "Failed to install $PKGNAME into masterdir, see below for errors:\n"
         cat ${_log}