diff --git a/pkgs/applications/audio/raysession/default.nix b/pkgs/applications/audio/raysession/default.nix
index fba0126b2819..38c6b78d72d7 100644
--- a/pkgs/applications/audio/raysession/default.nix
+++ b/pkgs/applications/audio/raysession/default.nix
@@ -24,6 +24,7 @@ buildPythonApplication rec {
     substituteInPlace Makefile --replace '$(DESTDIR)/' '$(DESTDIR)$(PREFIX)/'
     # Do not wrap an importable module with a shell script.
     chmod -x src/daemon/desktops_memory.py
+    chmod -x src/clients/jackpatch/main_loop.py
   '';
 
   format = "other";