diff --git a/Lib/idlelib/config-extensions.def b/Lib/idlelib/config-extensions.def
index 8b3f90c9020..2d5cf6822e8 100644
--- a/Lib/idlelib/config-extensions.def
+++ b/Lib/idlelib/config-extensions.def
@@ -70,7 +70,7 @@ paren-closed=<KeyRelease-parenright> <KeyRelease-bracketright> <KeyRelease-brace
 
 [AutoComplete]
 enable=1
-popupwait=0
+popupwait=2000
 [AutoComplete_cfgBindings]
 force-open-completions=<Control-Key-space>
 [AutoComplete_bindings]