diff --git a/pkgs/tools/X11/ffcast/default.nix b/pkgs/tools/X11/ffcast/default.nix
index 2146853e6a7e..9723ef69b850 100644
--- a/pkgs/tools/X11/ffcast/default.nix
+++ b/pkgs/tools/X11/ffcast/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub, autoreconfHook, makeWrapper, perl
-, ffmpeg, imagemagick, xdpyinfo, xprop, xrectsel, xwininfo
+, ffmpeg-full, imagemagick, xdpyinfo, xprop, xrectsel, xwininfo
 }:
 
 stdenv.mkDerivation rec {
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   postInstall = let
     binPath = lib.makeBinPath [
-      ffmpeg
+      ffmpeg-full
       imagemagick
       xdpyinfo
       xprop