1 files changed, 1 insertions, 1 deletions

diff --git a/src/w32heap.c b/src/w32heap.c
index cd1324cc867..510f6762bbe 100644
--- a/src/w32heap.c
+++ b/src/w32heap.c
@@ -118,7 +118,7 @@ typedef struct _RTL_HEAP_PARAMETERS {
 #if defined _WIN64 || defined WIDE_EMACS_INT
 # define DUMPED_HEAP_SIZE (21*1024*1024)
 #else
-# define DUMPED_HEAP_SIZE (12*1024*1024)
+# define DUMPED_HEAP_SIZE (13*1024*1024)
 #endif
 
 static unsigned char dumped_data[DUMPED_HEAP_SIZE];