diff --git a/pkgs/tools/security/chkrootkit/default.nix b/pkgs/tools/security/chkrootkit/default.nix
index 36a203a7b507..2dad4b3e43aa 100644
--- a/pkgs/tools/security/chkrootkit/default.nix
+++ b/pkgs/tools/security/chkrootkit/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "chkrootkit-0.50";
 
   src = fetchurl {
-    url = ftp://ftp.pangeia.com.br/pub/seg/pac/chkrootkit.tar.gz;
+    url = ftp://ftp.pangeia.com.br/pub/seg/pac/chkrootkit-0.50.tar.gz;
     sha256 = "1ivclp7ixndacjmf7xgj8lfa6h7ihx44mzzsapqdvf0c5f9gqj4m";
   };