diff --git a/src/sage_setup/command/sage_build_cython.py b/src/sage_setup/command/sage_build_cython.py
index 91f8cdb585e..b177f1a8aac 100644
--- a/src/sage_setup/command/sage_build_cython.py
+++ b/src/sage_setup/command/sage_build_cython.py
@@ -294,7 +294,7 @@ def create_extension(self, template, kwds):
                 key=lambda lib: library_order.get(lib, 0))
 
         # Dependencies: add setup.py and lib_headers
-        depends = kwds.get('depends', []) + [__file__]
+        depends = kwds.get('depends', []) + [self.distribution.script_name]
         for lib, headers in lib_headers.items():
             if lib in libs:
                 depends += headers