diff --git a/pkgs/applications/science/misc/root/default.nix b/pkgs/applications/science/misc/root/default.nix
index c3f0148608fd..fd998f732818 100644
--- a/pkgs/applications/science/misc/root/default.nix
+++ b/pkgs/applications/science/misc/root/default.nix
@@ -165,6 +165,7 @@ stdenv.mkDerivation rec {
     "-Dfail-on-missing=ON"
     "-Dfitsio=OFF"
     "-Dgnuinstall=ON"
+    "-Dmathmore=ON"
     "-Dmysql=OFF"
     "-Dpgsql=OFF"
     "-Dsqlite=OFF"