diff --git a/src/copy-space.h b/src/copy-space.h
index 0fbf4b111..e95ec0322 100644
--- a/src/copy-space.h
+++ b/src/copy-space.h
@@ -346,7 +346,7 @@ copy_space_field_logged_byte(struct gc_edge edge) {
   base += offsetof(struct copy_space_slab, blocks);
   uintptr_t field = (addr & (COPY_SPACE_SLAB_SIZE - 1)) / sizeof(uintptr_t);
   uintptr_t byte = field / 8;
-  return (uint8_t*) (base + field);
+  return (uint8_t*) (base + byte);
 }
 
 static uint8_t
diff --git a/src/pcc.c b/src/pcc.c
index 4b4a99700..ff10375ef 100644
--- a/src/pcc.c
+++ b/src/pcc.c
@@ -324,7 +324,7 @@ static inline int do_minor_trace(struct gc_heap *heap, struct gc_edge edge,
     // However however, it is hard to distinguish between edges from promoted
     // objects and edges from old objects, so we mostly just rely on an
     // idempotent "log if unlogged" operation instead.
-    int promote = copy_space_should_promote(new_space, ref) || 1;
+    int promote = copy_space_should_promote(new_space, ref);
     struct copy_space *dst_space = promote ? old_space : new_space;
     struct copy_space_allocator *alloc = promote
       ? trace_worker_old_space_allocator(data)