diff --git a/pkgs/servers/freeradius/default.nix b/pkgs/servers/freeradius/default.nix
index 15bda5d3090d..810f274579c7 100644
--- a/pkgs/servers/freeradius/default.nix
+++ b/pkgs/servers/freeradius/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, autoreconfHook, talloc
+{ stdenv, fetchurl, autoreconfHook, talloc, finger_bsd, perl
 , openssl
 , linkOpenssl? true
 , openldap
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
   name = "freeradius-${version}";
   version = "3.0.11";
 
-  buildInputs = [ autoreconfHook openssl talloc ]
+  buildInputs = [ autoreconfHook openssl talloc finger_bsd perl ]
     ++ optional withLdap [ openldap ]
     ++ optional withSqlite [ sqlite ]
     ++ optional withPcap [ libpcap ]
@@ -60,6 +60,10 @@ stdenv.mkDerivation rec {
      "--localstatedir=/var"
   ] ++ optional (!linkOpenssl) "--with-openssl=no";
 
+  postPatch = ''
+    substituteInPlace src/main/checkrad.in --replace "/usr/bin/finger" "${finger_bsd}/bin/finger"
+  '';
+
   installFlags = [
     "sysconfdir=\${out}/etc"
     "localstatedir=\${TMPDIR}"