diff --git a/pkgs/applications/networking/mailreaders/thunderbird-bin/default.nix b/pkgs/applications/networking/mailreaders/thunderbird-bin/default.nix
index f3634b744aa4..ae4999b4f5f2 100644
--- a/pkgs/applications/networking/mailreaders/thunderbird-bin/default.nix
+++ b/pkgs/applications/networking/mailreaders/thunderbird-bin/default.nix
@@ -41,6 +41,7 @@
 , pango
 , runtimeShell
 , writeScript
+, xdg-utils
 , xidel
 }:
 
@@ -164,6 +165,7 @@ stdenv.mkDerivation {
         --set MOZ_LEGACY_PROFILES 1 \
         --set MOZ_ALLOW_DOWNGRADE 1 \
         --prefix PATH : "${lib.getBin gnupg}/bin" \
+        --prefix PATH : "${lib.getBin xdg-utils}/bin" \
         --prefix LD_LIBRARY_PATH : "${lib.getLib gpgme}/lib"
     '';
 
diff --git a/pkgs/applications/networking/mailreaders/thunderbird/default.nix b/pkgs/applications/networking/mailreaders/thunderbird/default.nix
index 00c6b5cbf27a..743f04fffe83 100644
--- a/pkgs/applications/networking/mailreaders/thunderbird/default.nix
+++ b/pkgs/applications/networking/mailreaders/thunderbird/default.nix
@@ -50,6 +50,7 @@
 , unzip
 , which
 , writeScript
+, xdg-utils
 , xidel
 , xorg
 , yasm
@@ -311,6 +312,7 @@ stdenv.mkDerivation rec {
       --set MOZ_LEGACY_PROFILES 1
       --set MOZ_ALLOW_DOWNGRADE 1
       --prefix PATH : "${lib.getBin gnupg}/bin"
+      --prefix PATH : "${lib.getBin xdg-utils}/bin"
       --prefix LD_LIBRARY_PATH : "${lib.getLib gpgme}/lib"
     )
   '';