diff --git a/pkgs/applications/science/astronomy/stellarium/default.nix b/pkgs/applications/science/astronomy/stellarium/default.nix
index d656c39d0bc0..3b61c8dac2b8 100644
--- a/pkgs/applications/science/astronomy/stellarium/default.nix
+++ b/pkgs/applications/science/astronomy/stellarium/default.nix
@@ -70,7 +70,9 @@ stdenv.mkDerivation rec {
     qtwayland
   ];
 
-  preConfigure = lib.optionalString stdenv.isDarwin ''
+  preConfigure = ''
+    export SOURCE_DATE_EPOCH=$(date -d 20${lib.versions.major version}0101 +%s)
+  '' + lib.optionalString stdenv.isDarwin ''
     export LC_ALL=en_US.UTF-8
   '';