diff --git a/pkgs/applications/science/math/mathematica/default.nix b/pkgs/applications/science/math/mathematica/default.nix
index 9d0a308f4435..617fd46b050e 100644
--- a/pkgs/applications/science/math/mathematica/default.nix
+++ b/pkgs/applications/science/math/mathematica/default.nix
@@ -51,10 +51,7 @@ let versions = callPackage ./versions.nix { };
           sublist = l: lib.sublist 0 n l;
       in lib.compareLists lib.compare (sublist as) (sublist bs) == 0;
 
-    matchesDoc = v:
-      builtins.match (if webdoc
-                      then ".*[0-9]_LIN(UX)?.sh"
-                      else ".*_B[Nn][Dd][Ll].sh") v.src.name != null;
+    matchesDoc = v: (builtins.match ".*[0-9]_LIN(UX)?.sh" v.src.name != null) == webdoc;
 
 in