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-rw-r--r--pkgs/applications/misc/mupdf/default.nix3
1 files changed, 1 insertions, 2 deletions
diff --git a/pkgs/applications/misc/mupdf/default.nix b/pkgs/applications/misc/mupdf/default.nix
index ddd325214b2..7420932e0b6 100644
--- a/pkgs/applications/misc/mupdf/default.nix
+++ b/pkgs/applications/misc/mupdf/default.nix
@@ -9,8 +9,7 @@ let
 
   # OpenJPEG version is hardcoded in package source
   openJpegVersion = with stdenv;
-    lib.concatStringsSep "." (lib.lists.take 2
-      (lib.splitString "." (lib.getVersion openjpeg)));
+    lib.versions.majorMinor (lib.getVersion openjpeg);
 
 
 in stdenv.mkDerivation rec {