diff --git a/groups/010.host_deps.group b/groups/010.host_deps.group
index 29f7b9a..90bdb9e 100644
--- a/groups/010.host_deps.group
+++ b/groups/010.host_deps.group
@@ -194,6 +194,7 @@ HOST_DEPS_TOOLS_RPM_DISABLE=1;
 : ${PKG_MPACKAGE_HOST_URLS_GIT:=mpackage=${DEFAULT_GITROOT}/mpackage};
 : ${PKG_MPACKAGE_HOST_MAKEFLAGS_BUILD:="DESTDIR=${PREFIX_NATIVE}"};
 : ${PKG_MPACKAGE_HOST_IN_TREE:=1};
+: ${PKG_MPACKAGE_HOST_NO_CLEAN_BUILD_DIR:=1};
 : ${PKG_MPACKAGE_HOST_PKGLIST_DISABLE:=1};
 : ${PKG_MPACKAGE_HOST_PREFIX:=${PREFIX_NATIVE}};
 : ${PKG_MPACKAGE_HOST_RPM_DISABLE:=1};
diff --git a/midipix.env b/midipix.env
index a146b30..dfb6ddf 100644
--- a/midipix.env
+++ b/midipix.env
@@ -30,7 +30,7 @@ DEFAULT_BUILD_VARS="											\
 	LDFLAGS_CONFIGURE LDFLAGS_CONFIGURE_EXTRA LIBTOOL MAKE MAKEFLAGS_BUILD				\
 	MAKEFLAGS_BUILD_EXTRA MAKEFLAGS_INSTALL MAKEFLAGS_INSTALL_EXTRA					\
 	MAKEFLAGS_VERBOSITY MAKE_INSTALL_VNAME MAKE_SUBDIRS MIRRORS MIRRORS_GIT				\
-	NO_CLEAN NO_CLEAN_BASE_DIR NO_LOG_VARS PATCHES_EXTRA PKG_CONFIG					\
+	NO_CLEAN NO_CLEAN_BASE_DIR NO_CLEAN_BUILD_DIR NO_LOG_VARS PATCHES_EXTRA PKG_CONFIG		\
 	PKG_CONFIG_LIBDIR PKGLIST_DISABLE PREFIX PYTHON RANLIB RPM_DISABLE				\
 	SHA256SUM SOFORT_NATIVE_CC SOFORT_NATIVE_CFLAGS SOFORT_NATIVE_CFLAGS_EXTRA			\
 	SOFORT_NATIVE_CXX SOFORT_NATIVE_CXXFLAGS SOFORT_NATIVE_CXXFLAGS_EXTRA				\
diff --git a/subr/pkg_clean.subr b/subr/pkg_clean.subr
index a4a70d6..e8f1899 100644
--- a/subr/pkg_clean.subr
+++ b/subr/pkg_clean.subr
@@ -4,7 +4,8 @@
 
 pkg_clean() {
 	if [ "${PKG_NO_CLEAN:-0}" -eq 0 ]; then
-		if rtl_lmatch "${ARG_CLEAN_BUILDS}" "build" ","; then
+		if rtl_lmatch "${ARG_CLEAN_BUILDS}" "build" ","\
+		&& [ "${PKG_NO_CLEAN_BUILD_DIR:-0}" -eq 0 ]; then
 			if ! rtl_fileop rm "${PKG_BUILD_DIR}"; then
 				return 1;
 			fi;