diff --git a/pkgs/applications/networking/browsers/chromium/plugins.nix b/pkgs/applications/networking/browsers/chromium/plugins.nix
index 5bb6a93d8d74..0b0e5bd08382 100644
--- a/pkgs/applications/networking/browsers/chromium/plugins.nix
+++ b/pkgs/applications/networking/browsers/chromium/plugins.nix
@@ -53,7 +53,7 @@ let
       wvDescription = "Playback of encrypted HTML audio/video content";
       wvMimeTypes = "application/x-ppapi-widevine-cdm";
       wvModule = "$widevine/lib/libwidevinecdmadapter.so";
-      wvInfo = "#${wvName}#${wvDescription}:${wvMimeTypes}";
+      wvInfo = "#${wvName}#${wvDescription};${wvMimeTypes}";
     in ''
       flashVersion="$(
         sed -n -r 's/.*"version": "([^"]+)",.*/\1/p' PepperFlash/manifest.json