diff --git a/contrib/zip/src/zip.c b/contrib/zip/src/zip.c
index 80573096b..6a5dbcbf0 100644
--- a/contrib/zip/src/zip.c
+++ b/contrib/zip/src/zip.c
@@ -8,6 +8,8 @@
  * OTHER DEALINGS IN THE SOFTWARE.
  */
 
+#define MINIZ_USE_UNALIGNED_LOADS_AND_STORES 0
+
 #include "zip.h"
 #include "miniz.h"