diff --git a/src/bitmap.h b/src/bitmap.h
index 09967fb9..8ab06216 100644
--- a/src/bitmap.h
+++ b/src/bitmap.h
@@ -201,8 +201,8 @@ mi_decl_nodiscard static inline bool mi_bitmap_try_find_and_clearN(mi_bitmap_t*
   if (n==1) return mi_bitmap_try_find_and_clear(bitmap, tseq, pidx);               // small pages
   if (n==8) return mi_bitmap_try_find_and_clear8(bitmap, tseq, pidx);              // medium pages
   // if (n==MI_BFIELD_BITS) return mi_bitmap_try_find_and_clearX(bitmap, tseq, pidx); // large pages
-  if (n == 0 || n > MI_BCHUNK_BITS) return false;  // cannot be more than a chunk
-  if (n < MI_BFIELD_BITS) return mi_bitmap_try_find_and_clearNX(bitmap, tseq, n, pidx);
+  if (n==0 || n>MI_BCHUNK_BITS) return false;  // cannot be more than a chunk
+  if (n <= MI_BFIELD_BITS) return mi_bitmap_try_find_and_clearNX(bitmap, tseq, n, pidx);
   return mi_bitmap_try_find_and_clearN_(bitmap, tseq, n, pidx);
 }