diff --git a/meta/classes-recipe/dpkg-base.bbclass b/meta/classes-recipe/dpkg-base.bbclass
index f7a12302..85c37a5a 100644
--- a/meta/classes-recipe/dpkg-base.bbclass
+++ b/meta/classes-recipe/dpkg-base.bbclass
@@ -184,6 +184,8 @@ SSTATECREATEFUNCS += "dpkg_build_sstate_prepare"
 SSTATEPOSTINSTFUNCS += "dpkg_build_sstate_finalize"
 
 dpkg_build_sstate_prepare() {
+    [ "${SSTATE_CURRTASK}" = "dpkg_build" ] || return 0
+
     # this runs in SSTATE_BUILDDIR, which will be deleted automatically
     if [ -n "$(find ${WORKDIR} -maxdepth 1 -name '*.deb' -print -quit)" ]; then
         cp -f ${WORKDIR}/*.deb -t .
@@ -191,6 +193,8 @@ dpkg_build_sstate_prepare() {
 }
 
 dpkg_build_sstate_finalize() {
+    [ "${SSTATE_CURRTASK}" = "dpkg_build" ] || return 0
+
     # this runs in SSTATE_INSTDIR
     if [ -n "$(find . -maxdepth 1 -name '*.deb' -print -quit)" ]; then
         mv -f ./*.deb -t ${WORKDIR}/
diff --git a/meta/classes-recipe/rootfs.bbclass b/meta/classes-recipe/rootfs.bbclass
index 8a4aad16..936f56fe 100644
--- a/meta/classes-recipe/rootfs.bbclass
+++ b/meta/classes-recipe/rootfs.bbclass
@@ -691,6 +691,8 @@ SSTATE_TAR_ATTR_FLAGS ?= "--xattrs --xattrs-include='*'"
 
 # the rootfs is owned by root, so we need some sudoing to pack and unpack
 rootfs_install_sstate_prepare() {
+    [ "${SSTATE_CURRTASK}" = "rootfs_install" ] || return 0
+
     # this runs in SSTATE_BUILDDIR, which will be deleted automatically
     # tar --one-file-system will cross bind-mounts to the same filesystem,
     # so we use some mount magic to prevent that
@@ -705,6 +707,8 @@ rootfs_install_sstate_prepare() {
 rootfs_install_sstate_prepare[lockfiles] = "${REPO_ISAR_DIR}/isar.lock"
 
 rootfs_install_sstate_finalize() {
+    [ "${SSTATE_CURRTASK}" = "rootfs_install" ] || return 0
+
     # this runs in SSTATE_INSTDIR
     # - after building the rootfs, the tar won't be there, but we also don't need to unpack
     # - after restoring from cache, there will be a tar which we unpack and then delete
diff --git a/meta/recipes-core/isar-mmdebstrap/isar-mmdebstrap.inc b/meta/recipes-core/isar-mmdebstrap/isar-mmdebstrap.inc
index e746f469..98f6c090 100644
--- a/meta/recipes-core/isar-mmdebstrap/isar-mmdebstrap.inc
+++ b/meta/recipes-core/isar-mmdebstrap/isar-mmdebstrap.inc
@@ -264,12 +264,16 @@ SSTATECREATEFUNCS += "bootstrap_sstate_prepare"
 SSTATEPOSTINSTFUNCS += "bootstrap_sstate_finalize"
 
 bootstrap_sstate_prepare() {
+    [ "${SSTATE_CURRTASK}" = "bootstrap" ] || return 0
+
     # this runs in SSTATE_BUILDDIR, which will be deleted automatically
     sudo cp -a "${WORKDIR}/rootfs.tar.zst" ./bootstrap.tar.zst
     sudo chown $(id -u):$(id -g) bootstrap.tar.zst
 }
 
 bootstrap_sstate_finalize() {
+    [ "${SSTATE_CURRTASK}" = "bootstrap" ] || return 0
+
     # this runs in SSTATE_INSTDIR
     # we should restore symlinks after using tar
     if [ -f bootstrap.tar.zst ]; then