diff --git a/meta-tpm/recipes-tpm/tpm2.0-tss/tpm2.0-tss_git.bb b/meta-tpm/recipes-tpm/tpm2.0-tss/tpm2.0-tss_git.bb
index 14ec0ab..fd5ace8 100644
--- a/meta-tpm/recipes-tpm/tpm2.0-tss/tpm2.0-tss_git.bb
+++ b/meta-tpm/recipes-tpm/tpm2.0-tss/tpm2.0-tss_git.bb
@@ -33,7 +33,7 @@ EXTRA_USERS_PARAMS = "\
 	groupadd tss; \
 	"
 
-SYSTEMD_PACKAGES += "resourcemgr"
+SYSTEMD_PACKAGES = "resourcemgr"
 SYSTEMD_SERVICE_resourcemgr = "resourcemgr.service"
 SYSTEMD_AUTO_ENABLE_resourcemgr = "enable"