diff --git a/pkgs/development/libraries/openldap/default.nix b/pkgs/development/libraries/openldap/default.nix
index 073cbbcddd34..83c65048227a 100644
--- a/pkgs/development/libraries/openldap/default.nix
+++ b/pkgs/development/libraries/openldap/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
 
   src = fetchurl {
     url = "http://www.openldap.org/software/download/OpenLDAP/openldap-release/${name}.tgz";
-    sha256 = "0qwfpb5ipp2l76v11arghq5mr0sjc6xhjfg8a0kgsaw5qpib1dzft";
+    sha256 = "0qwfpb5ipp2l76v11arghq5mr0sjc6xhjfg8a0kgsaw5qpib1dzf";
   };
 
   outputs = [ "out" "man" ];