diff --git a/pypy3.spec b/pypy3.spec
index dc8c53d..218ec39 100644
--- a/pypy3.spec
+++ b/pypy3.spec
@@ -174,7 +174,7 @@ Patch13: 013-fix-typeerror.patch
 
 # Note, pypy3 is built with pypy2, so no dependency cycle
 
-%global use_self_when_building 0
+%global use_self_when_building 1
 %if 0%{use_self_when_building}
 # pypy3 can only be build with pypy2
 BuildRequires: pypy2
@@ -837,6 +837,7 @@ CheckPyPy %{name}-stackless
 %changelog
 * Thu Dec 28 2017 Miro Hrončok <mhroncok@redhat.com> - 5.10.0-2
 - Fixed upstream issues #2717 and #2718 (re-enable test_socket)
+- Use pypy2 when building (it's faster and works this time)
 
 * Mon Dec 25 2017 Miro Hrončok <mhroncok@redhat.com> - 5.10.0-1
 - Update to 5.10 (#1528841)