diff --git a/src/libexpr/package.nix b/src/libexpr/package.nix
index 4d10079ff..b69ee9814 100644
--- a/src/libexpr/package.nix
+++ b/src/libexpr/package.nix
@@ -55,7 +55,10 @@ mkMesonDerivation (finalAttrs: {
     (fileset.fileFilter (file: file.hasExt "hh") ./.)
     ./lexer.l
     ./parser.y
-    (fileset.fileFilter (file: file.hasExt "nix") ./.)
+    (fileset.difference
+      (fileset.fileFilter (file: file.hasExt "nix") ./.)
+      ./package.nix
+    )
   ];
 
   outputs = [ "out" "dev" ];