diff --git a/poppler/poppler-config.h.in b/poppler/poppler-config.h.in
index 0d0aa9e..f61b9a4 100644
--- a/poppler/poppler-config.h.in
+++ b/poppler/poppler-config.h.in
@@ -171,6 +171,25 @@ char * strtok_r (char *s, const char *delim, char **save_ptr);
 #endif
 #endif
 
+#if defined(_MSC_VER) && _MSC_VER < 1600
+const // It is a const object...
+class nullptr_t 
+{
+  public:
+    template<class T>
+    inline operator T*() const // convertible to any type of null non-member pointer...
+    { return 0; }
+
+    template<class C, class T>
+    inline operator T C::*() const   // or any type of null member pointer...
+    { return 0; }
+
+  private:
+    void operator&() const;  // Can't take address of nullptr
+
+} nullptr = {};
+#endif
+
 //------------------------------------------------------------------------
 // Compiler
 //------------------------------------------------------------------------