diff --git a/block-qcow.c b/block-qcow.c
index 99c3832953..a473298a82 100644
--- a/block-qcow.c
+++ b/block-qcow.c
@@ -23,7 +23,7 @@
  */
 #include "vl.h"
 #include "block_int.h"
-#include "zlib.h"
+#include <zlib.h>
 #include "aes.h"
 
 /**************************************************************/