1 files changed, 1 insertions, 1 deletions
diff --git a/reclaim.c b/reclaim.c
index 9be3a5fc..cca47310 100644
--- a/reclaim.c
+++ b/reclaim.c
@@ -541,7 +541,7 @@ unsigned GC_n_set_marks(hdr *hhdr)
     result--; /* exclude the one bit set past the end */
 #   ifndef MARK_BIT_PER_OBJ
       if (IS_UNCOLLECTABLE(hhdr -> hb_obj_kind)) {
-        size_t ngranules = BYTES_TO_GRANULES(sz);
+        unsigned ngranules = (unsigned)BYTES_TO_GRANULES(sz);
 
         /* As mentioned in GC_set_hdr_marks(), all the bits are set     */
         /* instead of every n-th, thus the result should be adjusted.   */