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-rw-r--r--pkgs/applications/science/astronomy/xearth/default.nix1
1 files changed, 1 insertions, 0 deletions
diff --git a/pkgs/applications/science/astronomy/xearth/default.nix b/pkgs/applications/science/astronomy/xearth/default.nix
index 7fcc588658ae..6123f277fd12 100644
--- a/pkgs/applications/science/astronomy/xearth/default.nix
+++ b/pkgs/applications/science/astronomy/xearth/default.nix
@@ -17,6 +17,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "sets the X root window to an image of the Earth";
+    mainProgram = "xearth";
     homepage = "https://xearth.org";
     longDescription =
       '' Xearth  sets  the X root window to an image of the Earth, as seen from your favorite vantage point in space,