diff --git a/src/tabs/basetabs.py b/src/tabs/basetabs.py
index 730d702b..16752b5e 100644
--- a/src/tabs/basetabs.py
+++ b/src/tabs/basetabs.py
@@ -290,6 +290,7 @@ class Tab(object):
             else:
                 arg = xhtml.clean_text_simple(arg)
             if func:
+                self.input.reset_completion()
                 func(arg)
             return True
         else: