diff --git a/pkgs/development/interpreters/python/hooks/sphinx-hook.sh b/pkgs/development/interpreters/python/hooks/sphinx-hook.sh
index 0140958b2316..92cc9e52ed21 100644
--- a/pkgs/development/interpreters/python/hooks/sphinx-hook.sh
+++ b/pkgs/development/interpreters/python/hooks/sphinx-hook.sh
@@ -53,5 +53,5 @@ installSphinxPhase() {
     runHook postInstallSphinx
 }
 
-preBuildPhases+=" buildSphinxPhase"
+preDistPhases+=" buildSphinxPhase"
 postPhases+=" installSphinxPhase"