manager: fix GC algorithm

1 files changed, 1 insertions, 1 deletions

diff --git a/unit.h b/unit.h
index 21627ef4d4..689dc00e31 100644
--- a/unit.h
+++ b/unit.h
@@ -170,7 +170,7 @@ struct Meta {
         LIST_FIELDS(Meta, gc_queue);
 
         /* Used during GC sweeps */
-        int gc_marker;
+        unsigned gc_marker;
 
         /* If we go down, pull down everything that depends on us, too */
         bool recursive_stop;