diff --git a/pkgs/development/libraries/gstreamer/bad/default.nix b/pkgs/development/libraries/gstreamer/bad/default.nix
index ae5fd753132..d9bf86e0cf3 100644
--- a/pkgs/development/libraries/gstreamer/bad/default.nix
+++ b/pkgs/development/libraries/gstreamer/bad/default.nix
@@ -10,7 +10,7 @@
 , gst-plugins-base
 , orc
 , gobject-introspection
-, enableZbar ? true
+, enableZbar ? false
 , faacSupport ? false
 , faac ? null
 , faad2
diff --git a/pkgs/tools/security/gnome-keysign/default.nix b/pkgs/tools/security/gnome-keysign/default.nix
index 685971382dc..f7ff9e85d0c 100644
--- a/pkgs/tools/security/gnome-keysign/default.nix
+++ b/pkgs/tools/security/gnome-keysign/default.nix
@@ -53,7 +53,7 @@ python3.pkgs.buildPythonApplication rec {
     gst_all_1.gstreamer
     gst_all_1.gst-plugins-base
     (gst_all_1.gst-plugins-good.override { gtkSupport = true; })
-    gst_all_1.gst-plugins-bad # for zbar plug-in
+    (gst_all_1.gst-plugins-bad.override { enableZbar = true; }) # for zbar plug-in
   ];
 
   propagatedBuildInputs = with python3.pkgs; [