diff --git a/src/malloc/malloc.c b/src/malloc/malloc.c
index eb68d55..efe1f5e 100644
--- a/src/malloc/malloc.c
+++ b/src/malloc/malloc.c
@@ -464,18 +464,6 @@ void free(void *p)
 	if (next->psize != self->csize) a_crash();
 
 	for (;;) {
-		/* Replace middle of large chunks with fresh zero pages */
-		if (reclaim && (self->psize & next->csize & C_INUSE)) {
-			uintptr_t a = (uintptr_t)self + SIZE_ALIGN+PAGE_SIZE-1 & -PAGE_SIZE;
-			uintptr_t b = (uintptr_t)next - SIZE_ALIGN & -PAGE_SIZE;
-#if 1
-			__madvise((void *)a, b-a, MADV_DONTNEED);
-#else
-			__mmap((void *)a, b-a, PROT_READ|PROT_WRITE,
-				MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED, -1, 0);
-#endif
-		}
-
 		if (self->psize & next->csize & C_INUSE) {
 			self->csize = final_size | C_INUSE;
 			next->psize = final_size | C_INUSE;
@@ -517,5 +505,17 @@ void free(void *p)
 	if (!(mal.binmap & 1ULL<<i))
 		a_or_64(&mal.binmap, 1ULL<<i);
 
+	/* Replace middle of large chunks with fresh zero pages */
+	if (reclaim) {
+		uintptr_t a = (uintptr_t)self + SIZE_ALIGN+PAGE_SIZE-1 & -PAGE_SIZE;
+		uintptr_t b = (uintptr_t)next - SIZE_ALIGN & -PAGE_SIZE;
+#if 1
+		__madvise((void *)a, b-a, MADV_DONTNEED);
+#else
+		__mmap((void *)a, b-a, PROT_READ|PROT_WRITE,
+			MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED, -1, 0);
+#endif
+	}
+
 	unlock_bin(i);
 }