diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass
index 0293d2e..5d93d59 100644
--- a/meta/classes/image.bbclass
+++ b/meta/classes/image.bbclass
@@ -203,16 +203,29 @@ run_intercept_scriptlets () {
 
 fakeroot do_rootfs () {
 	#set -x
-	# When use the rpm incremental image generation, don't remove the rootfs
-	if [ "${INC_RPM_IMAGE_GEN}" != "1" -o "${IMAGE_PKGTYPE}" != "rpm" ]; then
-		rm -rf ${IMAGE_ROOTFS}
-	elif [ -d ${T}/saved_rpmlib/var/lib/rpm ]; then
+	# When use the rpm incremental image generation, and the type
+	# of previous image is rpm, don't remove the rootfs
+	if [ "${INC_RPM_IMAGE_GEN}" = "1" -a "${IMAGE_PKGTYPE}" = "rpm" \
+		-a -d ${T}/saved_rpmlib/var/lib/rpm ]; then
+
+		echo "start rpm incremental image generation"
 		# Move the rpmlib back
 		if [ ! -d ${IMAGE_ROOTFS}/var/lib/rpm ]; then
 			mkdir -p ${IMAGE_ROOTFS}/var/lib/
 			mv ${T}/saved_rpmlib/var/lib/rpm ${IMAGE_ROOTFS}/var/lib/
 		fi
+
+	# When use the deb incremental image generation, and the type
+	# of previous image is deb, don't remove the rootfs
+	elif [ "${INC_DEB_IMAGE_GEN}" = "1" -a "${IMAGE_PKGTYPE}" = "deb" \
+		-a -e ${IMAGE_ROOTFS}/var/lib/dpkg/status ]; then
+
+		echo "start deb incremental image generation"
+	else
+		rm -rf ${IMAGE_ROOTFS}
+		rm -rf ${T}/saved_rpmlib
 	fi
+
 	rm -rf ${MULTILIB_TEMP_ROOTFS}
 	mkdir -p ${IMAGE_ROOTFS}
 	mkdir -p ${DEPLOY_DIR_IMAGE}