1 files changed, 2 insertions, 0 deletions

diff --git a/src/alloc.c b/src/alloc.c
index 5dc8d186369..955f274c270 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -5035,6 +5035,7 @@ mark_object (arg)
           break;
 
         case Lisp_Misc_Save_Value:
+#if GC_MARK_STACK
           {
             register struct Lisp_Save_Value *ptr = XSAVE_VALUE (obj);
             /* If DOGC is set, POINTER is the address of a memory
@@ -5047,6 +5048,7 @@ mark_object (arg)
                   mark_maybe_object (*p);
               }
           }
+#endif
           break;
 
         case Lisp_Misc_Overlay: