diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index c1dbfb0d064..74666795c8f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8998,6 +8998,7 @@ let
       eigen = eigen2;
       libotr = libotr_3_2;
       libusb = libusb1;
+      ffmpeg = ffmpeg_1;
     }) ../desktops/kde-4.10;
 
   kdePackagesFor = self: dir: