1 files changed, 3 insertions, 3 deletions

diff --git a/src/bytecode.c b/src/bytecode.c
index 881834367ab..141f5adda84 100644
--- a/src/bytecode.c
+++ b/src/bytecode.c
@@ -292,19 +292,19 @@ mark_byte_stack ()
       for (obj = stack->bottom; obj <= stack->top; ++obj)
         if (!XMARKBIT (*obj))
           {
-            mark_object (obj);
+            mark_object (*obj);
             XMARK (*obj);
           }
 
       if (!XMARKBIT (stack->byte_string))
         {
-          mark_object (&stack->byte_string);
+          mark_object (stack->byte_string);
           XMARK (stack->byte_string);
         }
 
       if (!XMARKBIT (stack->constants))
         {
-          mark_object (&stack->constants);
+          mark_object (stack->constants);
           XMARK (stack->constants);
         }
     }