diff --git a/src/free.c b/src/free.c
index bf5498a4..43e1f76f 100644
--- a/src/free.c
+++ b/src/free.c
@@ -38,7 +38,7 @@ static inline void mi_free_block_local(mi_page_t* page, mi_block_t* block, bool
   #if (MI_DEBUG>0) && !MI_TRACK_ENABLED  && !MI_TSAN
   memset(block, MI_DEBUG_FREED, mi_page_block_size(page));
   #endif
-  if (track_stats) { mi_track_free_size(p, mi_page_usable_size_of(page, block)); } // faster then mi_usable_size as we already know the page and that p is unaligned
+  if (track_stats) { mi_track_free_size(block, mi_page_usable_size_of(page, block)); } // faster then mi_usable_size as we already know the page and that p is unaligned
   
   // actual free: push on the local free list
   mi_block_set_next(page, block, page->local_free);