diff --git a/pkgs/development/interpreters/python/hooks/sphinx-hook.sh b/pkgs/development/interpreters/python/hooks/sphinx-hook.sh
index e38562d85546..ae386ca859f4 100644
--- a/pkgs/development/interpreters/python/hooks/sphinx-hook.sh
+++ b/pkgs/development/interpreters/python/hooks/sphinx-hook.sh
@@ -69,5 +69,4 @@ installSphinxPhase() {
     runHook postInstallSphinx
 }
 
-preDistPhases+=" buildSphinxPhase"
-postPhases+=" installSphinxPhase"
+preDistPhases+=" buildSphinxPhase installSphinxPhase"