1 files changed, 1 insertions, 0 deletions
diff --git a/includes/rts/storage/Block.h b/includes/rts/storage/Block.h
index 3887ac2980..4afc3689cb 100644
--- a/includes/rts/storage/Block.h
+++ b/includes/rts/storage/Block.h
@@ -102,6 +102,7 @@ typedef struct bdescr_ {
                                    // Unused by the non-moving allocator.
         struct NonmovingSegmentInfo {
             StgWord8 log_block_size;
+            StgWord16 next_free_snap;
         } nonmoving_segment;
     };