diff --git a/src/segment.c b/src/segment.c
index 1ab7328e..048fe846 100644
--- a/src/segment.c
+++ b/src/segment.c
@@ -656,7 +656,7 @@ static mi_segment_t* mi_segment_init(mi_segment_t* segment, size_t required, mi_
   const size_t segment_size = segment_slices * MI_SEGMENT_SLICE_SIZE;
 
   // Commit eagerly only if not the first N lazy segments (to reduce impact of many threads that allocate just a little)
-  const bool eager_delay = (tld->count < (size_t)mi_option_get(mi_option_eager_commit_delay));
+  const bool eager_delay = (!_mi_is_main_thread() && tld->count < (size_t)mi_option_get(mi_option_eager_commit_delay));
   const bool eager = !eager_delay && mi_option_is_enabled(mi_option_eager_commit);
   bool commit = eager || (required > 0);