1 files changed, 2 insertions, 2 deletions

diff --git a/src/alloc.c b/src/alloc.c
index af4adb3856e..5c5b56d02e9 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -6384,7 +6384,7 @@ mark_object (Lisp_Object arg)
   do {                                          \
     CHECK_ALLOCATED ();                         \
     CHECK_LIVE (LIVEP);                         \
-  } while (0)                                   \
+  } while (false)
 
   /* Check both of the above conditions, for symbols.  */
 #define CHECK_ALLOCATED_AND_LIVE_SYMBOL()       \
@@ -6394,7 +6394,7 @@ mark_object (Lisp_Object arg)
         CHECK_ALLOCATED ();                     \
         CHECK_LIVE (live_symbol_p);             \
       }                                         \
-  } while (0)                                   \
+  } while (false)
 
 #else /* not GC_CHECK_MARKED_OBJECTS */