diff --git a/src/window.c b/src/window.c
index 2435952..28bb125 100644
--- a/src/window.c
+++ b/src/window.c
@@ -6577,7 +6577,8 @@
 
 #endif
 
-#if defined(FEAT_EVAL) || defined(PROTO)
+#if defined(FEAT_EVAL) || defined(FEAT_PYTHON) || defined(FEAT_PYTHON3) \
+	|| defined(PROTO)
 /*
  * Set "win" to be the curwin and "tp" to be the current tab page.
  * restore_win() MUST be called to undo.