diff --git a/src/core/manager.c b/src/core/manager.c
index 14be38600d..eba4bf356d 100644
--- a/src/core/manager.c
+++ b/src/core/manager.c
@@ -623,7 +623,7 @@ static int manager_default_environment(Manager *m) {
                 m->transient_environment = strv_copy(environ);
 
         if (!m->transient_environment)
-                return -ENOMEM;
+                return log_oom();
 
         sanitize_environment(m->transient_environment);
 
@@ -3875,7 +3875,7 @@ int manager_transient_environment_add(Manager *m, char **plus) {
 
         a = strv_env_merge(2, m->transient_environment, plus);
         if (!a)
-                return -ENOMEM;
+                return log_oom();
 
         sanitize_environment(a);