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-rw-r--r--src/core/manager.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/core/manager.c b/src/core/manager.c
index d92e048e24..d33112df2f 100644
--- a/src/core/manager.c
+++ b/src/core/manager.c
@@ -838,7 +838,8 @@ static unsigned manager_dispatch_gc_queue(Manager *m) {
if (u->gc_marker == gc_marker + GC_OFFSET_BAD ||
u->gc_marker == gc_marker + GC_OFFSET_UNSURE) {
- log_unit_debug(u->id, "Collecting %s", u->id);
+ if (u->id)
+ log_unit_debug(u->id, "Collecting %s", u->id);
u->gc_marker = gc_marker + GC_OFFSET_BAD;
unit_add_to_cleanup_queue(u);
}