diff --git a/pkgs/development/compilers/bigloo/default.nix b/pkgs/development/compilers/bigloo/default.nix
index cddca47af3b..b7dcb806b01 100644
--- a/pkgs/development/compilers/bigloo/default.nix
+++ b/pkgs/development/compilers/bigloo/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "3.7a";
 
   src = fetchurl {
-    url = "ftp://ftp-sop.inria.fr/indes/fp/Bigloo/bigloo#{version}.tar.gz";
+    url = "ftp://ftp-sop.inria.fr/indes/fp/Bigloo/bigloo${version}.tar.gz";
     sha256 = "0y8i87c2bpqzap8rhzgpyfgdzq21py5xq6mgp0w6xv4rjcj9d0v1";
   };