diff --git a/pkgs/misc/emulators/wine/unstable.nix b/pkgs/misc/emulators/wine/unstable.nix
index cd5c5a8b4790..a7d52f2bca4f 100644
--- a/pkgs/misc/emulators/wine/unstable.nix
+++ b/pkgs/misc/emulators/wine/unstable.nix
@@ -7,12 +7,12 @@ assert stdenv.isLinux;
 assert stdenv.gcc.gcc != null;
 
 let
-    version = "1.7.23";
+    version = "1.7.25";
     name = "wine-${version}";
 
     src = fetchurl {
       url = "mirror://sourceforge/wine/${name}.tar.bz2";
-      sha256 = "012ww1yifayakw9n2m23sx83dc3i2xiq3bn5n9iprppdhwxpp76v";
+      sha256 = "0h7mijxv5nhn0nn5knr8arq9bl7chi3diaa668yyhjbxwn15xqzm";
     };
 
     gecko = fetchurl {
diff --git a/pkgs/misc/emulators/wine/unstable.upstream b/pkgs/misc/emulators/wine/unstable.upstream
index e3616df76802..fa78360c76af 100644
--- a/pkgs/misc/emulators/wine/unstable.upstream
+++ b/pkgs/misc/emulators/wine/unstable.upstream
@@ -1,5 +1,5 @@
 url http://sourceforge.net/projects/wine/files/Source/
-attribute_name wine_unstable
+attribute_name wineUnstable
 version_link '[.]tar[.][^./]+/download$'
 SF_redirect
 do_overwrite () {