diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 00bd09808..34d7242f8 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,8 @@
+2013-05-21  Corinna Vinschen  <corinna@vinschen.de>
+
+	* fhandler.h (class fhandler_dev_random): Change type of pseudo to
+	uint32_t to make sure it's 32 bit on all supported platforms.
+
 2013-05-21  Corinna Vinschen  <corinna@vinschen.de>
 
 	x86_64 only:
diff --git a/winsup/cygwin/fhandler.h b/winsup/cygwin/fhandler.h
index 86c0fa8e8..e76f67e1f 100644
--- a/winsup/cygwin/fhandler.h
+++ b/winsup/cygwin/fhandler.h
@@ -1648,7 +1648,7 @@ class fhandler_dev_random: public fhandler_base
 {
  protected:
   HCRYPTPROV crypt_prov;
-  long pseudo;
+  uint32_t pseudo;
   off_t dummy_offset;
 
   bool crypt_gen_random (void *ptr, size_t len);