diff --git a/common/environment/setup/sourcepkg.sh b/common/environment/setup/sourcepkg.sh
index b74dd9fd074..fd70a3b0d2d 100644
--- a/common/environment/setup/sourcepkg.sh
+++ b/common/environment/setup/sourcepkg.sh
@@ -7,7 +7,7 @@ unset -v only_for_archs distfiles checksum build_style nocross broken
 unset -v configure_script configure_args wrksrc build_wrksrc create_wrksrc
 unset -v make_cmd make_build_args make_install_args make_build_target make_install_target python_versions
 unset -v patch_args disable_parallel_build keep_libtool_archives
-unset -v reverts subpackages makedepends hostmakedepends depends
+unset -v reverts subpackages makedepends hostmakedepends depends restricted
 unset -v build_pie build_options build_options_default bootstrap repository reverts
 unset -v CFLAGS CXXFLAGS CPPFLAGS LDFLAGS LD_LIBRARY_PATH
 unset -v CC CXX CPP GCC LD AR AS RANLIB NM OBJDUMP OBJCOPY STRIP READELF
diff --git a/common/xbps-src/shutils/common.sh b/common/xbps-src/shutils/common.sh
index a0a60eac974..0bdf7322437 100644
--- a/common/xbps-src/shutils/common.sh
+++ b/common/xbps-src/shutils/common.sh
@@ -446,6 +446,11 @@ setup_pkg() {
         exit 2
     fi
 
+    if [ -n "$restricted" -a -z "$XBPS_ALLOW_RESTRICTED" ]; then
+        msg_red "$pkgver: does not allow redistribution of sources/binaries (restricted license).\n"
+        exit 2
+    fi
+
     export XBPS_STATEDIR="${XBPS_BUILDDIR}/.xbps-${sourcepkg}"
     export XBPS_WRAPPERDIR="${XBPS_STATEDIR}/wrappers"
 
diff --git a/etc/defaults.conf b/etc/defaults.conf
index b0ab6b10035..c0de5762050 100644
--- a/etc/defaults.conf
+++ b/etc/defaults.conf
@@ -88,6 +88,12 @@ XBPS_SUCMD="sudo /bin/sh -c"
 #
 #XBPS_PKG_OPTIONS_foo=opt,~opt2,opt3,~opt4
 
+# [OPTIONAL]
+# Enable building package locally that are restricted legally for redistribution.
+# NOTE: you can't distribute the sources or binaries for such kind of packages.
+#
+#XBPS_ALLOW_RESTRICTED=yes
+
 # [OPTIONAL]
 # Set the preferred chroot style. Available styles at common/chroot-style/*.sh:
 #