diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index de242046893..60389bb7263 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7886,6 +7886,8 @@ let
   chromium = lowPrio (callPackage ../applications/networking/browsers/chromium {
     channel = "stable";
     pulseSupport = config.pulseaudio or true;
+    enablePepperFlash = config.chromium.enablePepperFlash or false;
+    enablePepperPDF = config.chromium.enablePepperPDF or false;
   });
 
   chromiumBeta = lowPrio (chromium.override { channel = "beta"; });