1 files changed, 1 insertions, 1 deletions

diff --git a/src/w32heap.c b/src/w32heap.c
index 443472b4708..43b5f352a1d 100644
--- a/src/w32heap.c
+++ b/src/w32heap.c
@@ -114,7 +114,7 @@ typedef struct _RTL_HEAP_PARAMETERS {
    to build only the first bootstrap-emacs.exe with the large size,
    and reset that to a lower value afterwards.  */
 #if defined _WIN64 || defined WIDE_EMACS_INT
-# define DUMPED_HEAP_SIZE (20*1024*1024)
+# define DUMPED_HEAP_SIZE (21*1024*1024)
 #else
 # define DUMPED_HEAP_SIZE (12*1024*1024)
 #endif