1 files changed, 1 insertions, 0 deletions
diff --git a/pkgs/applications/science/geometry/tetgen/default.nix b/pkgs/applications/science/geometry/tetgen/default.nix
index ff2b211b34d2..dce56dc4e17d 100644
--- a/pkgs/applications/science/geometry/tetgen/default.nix
+++ b/pkgs/applications/science/geometry/tetgen/default.nix
@@ -24,6 +24,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Quality Tetrahedral Mesh Generator and 3D Delaunay Triangulator";
+    mainProgram = "tetgen";
     homepage = "http://tetgen.org/";
     license = lib.licenses.agpl3Plus;
     platforms = lib.platforms.linux;