diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index aaed068..5ce0b5d 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -272,6 +272,7 @@
 #endif
 #ifndef FEAT_PYTHON3
 # define ex_py3			ex_script_ni
+# define ex_py3do		ex_ni
 # define ex_py3file		ex_ni
 #endif
 #ifndef FEAT_TCL