diff --git a/pkgs/applications/virtualization/xen/4.16/default.nix b/pkgs/applications/virtualization/xen/4.16/default.nix
index 88b4946ef712..c87c29edb5b0 100644
--- a/pkgs/applications/virtualization/xen/4.16/default.nix
+++ b/pkgs/applications/virtualization/xen/4.16/default.nix
@@ -20,6 +20,7 @@ let
 in
 
 callPackage (import ../generic/default.nix {
+  pname = "xen";
   branch = "4.16";
   version = "4.16.6";
   latest = false;
diff --git a/pkgs/applications/virtualization/xen/4.17/default.nix b/pkgs/applications/virtualization/xen/4.17/default.nix
index 31b12685271c..b96fe5e51fc4 100644
--- a/pkgs/applications/virtualization/xen/4.17/default.nix
+++ b/pkgs/applications/virtualization/xen/4.17/default.nix
@@ -21,6 +21,7 @@ let
 in
 
 callPackage (import ../generic/default.nix {
+  pname = "xen";
   branch = "4.17";
   version = "4.17.4";
   latest = false;
diff --git a/pkgs/applications/virtualization/xen/4.18/default.nix b/pkgs/applications/virtualization/xen/4.18/default.nix
index 0494a2d054e0..ada750351937 100644
--- a/pkgs/applications/virtualization/xen/4.18/default.nix
+++ b/pkgs/applications/virtualization/xen/4.18/default.nix
@@ -21,6 +21,7 @@ let
 in
 
 callPackage (import ../generic/default.nix {
+  pname = "xen";
   branch = "4.18";
   version = "4.18.2";
   latest = false;
diff --git a/pkgs/applications/virtualization/xen/4.19/default.nix b/pkgs/applications/virtualization/xen/4.19/default.nix
index 469302f14b2b..fc43e18faeab 100644
--- a/pkgs/applications/virtualization/xen/4.19/default.nix
+++ b/pkgs/applications/virtualization/xen/4.19/default.nix
@@ -20,6 +20,7 @@ let
 in
 
 callPackage (import ../generic/default.nix {
+  pname = "xen";
   branch = "4.19";
   version = "4.19.0";
   latest = true;
diff --git a/pkgs/applications/virtualization/xen/generic/default.nix b/pkgs/applications/virtualization/xen/generic/default.nix
index 591d4ab945e4..7411acd1d855 100644
--- a/pkgs/applications/virtualization/xen/generic/default.nix
+++ b/pkgs/applications/virtualization/xen/generic/default.nix
@@ -99,11 +99,11 @@ let
     which
   ];
 
+  inherit (versionDefinition) pname;
   inherit (versionDefinition) branch;
   inherit (versionDefinition) version;
   inherit (versionDefinition) latest;
   inherit (versionDefinition) pkg;
-  pname = "xen";
 
   # Sources needed to build tools and firmwares.
   prefetchedSources =
diff --git a/pkgs/applications/virtualization/xen/update.sh b/pkgs/applications/virtualization/xen/update.sh
index f5034d11c0af..310fd6606f78 100755
--- a/pkgs/applications/virtualization/xen/update.sh
+++ b/pkgs/applications/virtualization/xen/update.sh
@@ -150,6 +150,7 @@ let
 in
 
 callPackage (import ../generic/default.nix {
+  pname = "xen";
   branch = "$branch";
   version = "$version";
   latest = $latest;