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-rw-r--r--pkgs/os-specific/linux/prl-tools/default.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/os-specific/linux/prl-tools/default.nix b/pkgs/os-specific/linux/prl-tools/default.nix
index 78aa5abdf30..b5e44a10947 100644
--- a/pkgs/os-specific/linux/prl-tools/default.nix
+++ b/pkgs/os-specific/linux/prl-tools/default.nix
@@ -9,7 +9,7 @@ assert (!libsOnly) -> kernel != null;
 assert kernel != null -> stdenv.lib.versionOlder kernel.version "4.15";
 
 let xorgFullVer = lib.getVersion xorg.xorgserver;
-    xorgVer = lib.concatStringsSep "." (lib.take 2 (lib.splitString "." xorgFullVer));
+    xorgVer = lib.versions.majorMinor xorgFullVer;
     x64 = if stdenv.hostPlatform.system == "x86_64-linux" then true
           else if stdenv.hostPlatform.system == "i686-linux" then false
           else throw "Parallels Tools for Linux only support {x86-64,i686}-linux targets";