diff --git a/ansible.spec b/ansible.spec
index 10a50b0..863f577 100644
--- a/ansible.spec
+++ b/ansible.spec
@@ -280,7 +280,7 @@ pushd %{py3dir}
  make PYTHON=/usr/bin/python2 webdocs
 %else
  pathfix.py -i %{__python3} -p docs/bin test/runner
- make PYTHON=/usr/bin/python3 webdocs
+ make PYTHON=/usr/bin/python3 SPHINXBUILD=sphinx-build-3 webdocs
 %endif
 %endif