diff --git a/pkgs/development/interpreters/python/hooks/sphinx-hook.sh b/pkgs/development/interpreters/python/hooks/sphinx-hook.sh
index 6825b5f4db04..b077438323dd 100644
--- a/pkgs/development/interpreters/python/hooks/sphinx-hook.sh
+++ b/pkgs/development/interpreters/python/hooks/sphinx-hook.sh
@@ -69,4 +69,4 @@ installSphinxPhase() {
     runHook postInstallSphinx
 }
 
-appendToVar preDistPhases buildSphinxPhase installSphinxPhase
+appendToVar preFixupPhases buildSphinxPhase installSphinxPhase