diff --git a/all.h b/all.h
index 3378a4a..1ab3f4c 100644
--- a/all.h
+++ b/all.h
@@ -563,7 +563,7 @@ typedef struct Cond {
   pthread_cond_t cond;
 } Cond;
 
-#define M_SCRATCH_SIZE KB(16)
+#define M_SCRATCH_SIZE KB(64)
 typedef struct ScratchFreeListNode ScratchFreeListNode;
 struct ScratchFreeListNode {
 	ScratchFreeListNode* next;