diff --git a/pypy.spec b/pypy.spec
index 844fb4b..a5a535b 100644
--- a/pypy.spec
+++ b/pypy.spec
@@ -227,7 +227,7 @@ Patch399: 399-cve-2023-24329.patch
 # Turn it off with this boolean, to revert back to rebuilding using CPython
 # and avoid a cycle in the build-time dependency graph:
 
-%global use_self_when_building 1
+%global use_self_when_building 0
 %if 0%{use_self_when_building}
 BuildRequires: pypy2
 %global bootstrap_python_interp pypy2