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-rw-r--r--nixpkgs/pkgs/applications/science/logic/yices/default.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/applications/science/logic/yices/default.nix b/nixpkgs/pkgs/applications/science/logic/yices/default.nix
index 76ed934fb39e..b8dd528a11c1 100644
--- a/nixpkgs/pkgs/applications/science/logic/yices/default.nix
+++ b/nixpkgs/pkgs/applications/science/logic/yices/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
   # Includes a fix for the embedded soname being libyices.so.2.5, but
   # only installing the libyices.so.2.5.x file.
   installPhase = let
-    ver_XdotY = builtins.concatStringsSep "." (stdenv.lib.take 2 (stdenv.lib.splitString "." version));
+    ver_XdotY = stdenv.lib.versions.majorMinor version;
   in ''
       make install LDCONFIG=true
       ln -sfr $out/lib/libyices.so.{${version},${ver_XdotY}}