diff --git a/minizip/ioapi.h b/minizip/ioapi.h
index b6556b5..a2cacc0 100644
--- a/minizip/ioapi.h
+++ b/minizip/ioapi.h
@@ -42,7 +42,12 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+
+#ifdef WIN32
+#include <QtZlib/zlib.h>
+#else
 #include <zlib.h>
+#endif
 
 #if defined(USE_FILE32API)
 #define fopen64 fopen
diff --git a/minizip/unzip.c b/minizip/unzip.c
index 8afe46a..5b11502 100644
--- a/minizip/unzip.c
+++ b/minizip/unzip.c
@@ -72,7 +72,12 @@
         #define NOUNCRYPT
 #endif
 
+#ifdef WIN32
+#include <QtZlib/zlib.h>
+#else
 #include <zlib.h>
+#endif
+
 #include "unzip.h"
 
 #ifdef STDC
diff --git a/minizip/unzip.h b/minizip/unzip.h
index b965c46..0303cfa 100644
--- a/minizip/unzip.h
+++ b/minizip/unzip.h
@@ -48,8 +48,12 @@ extern "C" {
 #endif
 
 #ifndef _ZLIB_H
+#ifdef WIN32
+#include <QtZlib/zlib.h>
+#else
 #include <zlib.h>
 #endif
+#endif
 
 #ifndef  _ZLIBIOAPI_H
 #include "ioapi.h"