1 files changed, 3 insertions, 3 deletions
diff --git a/src/corelib/tools/qmap.h b/src/corelib/tools/qmap.h
index e71064c..4679812 100644
--- a/src/corelib/tools/qmap.h
+++ b/src/corelib/tools/qmap.h
@@ -213,7 +213,7 @@ public:
 
     public:
         typedef std::bidirectional_iterator_tag iterator_category;
-        typedef ptrdiff_t difference_type;
+        typedef qptrdiff difference_type;
         typedef T value_type;
         typedef T *pointer;
         typedef T &reference;
@@ -281,7 +281,7 @@ public:
 
     public:
         typedef std::bidirectional_iterator_tag iterator_category;
-        typedef ptrdiff_t difference_type;
+        typedef qptrdiff difference_type;
         typedef T value_type;
         typedef const T *pointer;
         typedef const T &reference;
@@ -384,7 +384,7 @@ public:
     // STL compatibility
     typedef Key key_type;
     typedef T mapped_type;
-    typedef ptrdiff_t difference_type;
+    typedef qptrdiff difference_type;
     typedef int size_type;
     inline bool empty() const { return isEmpty(); }