1 files changed, 4 insertions, 1 deletions
diff --git a/pkgs/tools/typesetting/tex/pgf/1.x.nix b/pkgs/tools/typesetting/tex/pgf/1.x.nix
index 032d9b5520e..a26513d9f26 100644
--- a/pkgs/tools/typesetting/tex/pgf/1.x.nix
+++ b/pkgs/tools/typesetting/tex/pgf/1.x.nix
@@ -2,7 +2,7 @@
 
 stdenv.mkDerivation {
   name = "pgf-1.18";
-  
+
   src = fetchurl {
     url = mirror://sourceforge/pgf/pgf-1.18.tar.gz;
     sha256 = "0s6b8rx9yfxcjjg18vx1mphnwbd28fl5lnq0dasjz40pp3ypwdjv";
@@ -13,4 +13,7 @@ stdenv.mkDerivation {
     mkdir -p $out/share/texmf-nix
     cp -prd * $out/share/texmf-nix
   ";
+  meta = {
+    branch = "1";
+  };
 }