Index: frontends/qt4/GuiSpellchecker.cpp
===================================================================
--- frontends/qt4/GuiSpellchecker.cpp	(revision 30437)
+++ frontends/qt4/GuiSpellchecker.cpp	(working copy)
@@ -182,6 +182,7 @@
 		qstring_to_ucs4(d->ui.wordED->text()),
 		true, true, true, true);
 	dispatch(FuncRequest(LFUN_WORD_REPLACE, data));
+	check(); // continue spellchecking
 }