diff --git a/.version b/.version
index a3ebb9f51..fb2c0766b 100644
--- a/.version
+++ b/.version
@@ -1 +1 @@
-2.13.0
\ No newline at end of file
+2.13.0
diff --git a/flake.nix b/flake.nix
index d9d01da10..38b469fdb 100644
--- a/flake.nix
+++ b/flake.nix
@@ -9,14 +9,15 @@
 
     let
 
-      version = builtins.readFile ./.version + versionSuffix;
+      officialRelease = false;
+
+      version = strip (builtins.readFile ./.version) + versionSuffix;
+      strip = nixpkgs.lib.removeSuffix "\n";
       versionSuffix =
         if officialRelease
         then ""
         else "pre${builtins.substring 0 8 (self.lastModifiedDate or self.lastModified or "19700101")}_${self.shortRev or "dirty"}";
 
-      officialRelease = false;
-
       linux64BitSystems = [ "x86_64-linux" "aarch64-linux" ];
       linuxSystems = linux64BitSystems ++ [ "i686-linux" ];
       systems = linuxSystems ++ [ "x86_64-darwin" "aarch64-darwin" ];