diff --git a/aegisub/subs_edit_ctrl.cpp b/aegisub/subs_edit_ctrl.cpp
index 146afd2e0..7dd5679a7 100644
--- a/aegisub/subs_edit_ctrl.cpp
+++ b/aegisub/subs_edit_ctrl.cpp
@@ -149,6 +149,7 @@ SubsTextEditCtrl::~SubsTextEditCtrl() {
 // Control event table
 BEGIN_EVENT_TABLE(SubsTextEditCtrl,wxScintilla)
 	EVT_MOUSE_EVENTS(SubsTextEditCtrl::OnMouseEvent)
+	EVT_KILL_FOCUS(SubsTextEditCtrl::OnLoseFocus)
 
 	EVT_MENU(EDIT_MENU_SPLIT_PRESERVE,SubsTextEditCtrl::OnSplitLinePreserve)
 	EVT_MENU(EDIT_MENU_SPLIT_ESTIMATE,SubsTextEditCtrl::OnSplitLineEstimate)
@@ -165,6 +166,14 @@ BEGIN_EVENT_TABLE(SubsTextEditCtrl,wxScintilla)
 END_EVENT_TABLE()
 
 
+//////////////
+// Lose focus
+void SubsTextEditCtrl::OnLoseFocus(wxFocusEvent &event) {
+	CallTipCancel();
+	event.Skip();
+}
+
+
 //////////////
 // Set styles
 void SubsTextEditCtrl::SetStyles() {
diff --git a/aegisub/subs_edit_ctrl.h b/aegisub/subs_edit_ctrl.h
index 5030365dc..cddfdf49a 100644
--- a/aegisub/subs_edit_ctrl.h
+++ b/aegisub/subs_edit_ctrl.h
@@ -87,6 +87,7 @@ private:
 	void OnUseThesaurusSuggestion(wxCommandEvent &event);
 	void OnSetDicLanguage(wxCommandEvent &event);
 	void OnSetThesLanguage(wxCommandEvent &event);
+	void OnLoseFocus(wxFocusEvent &event);
 
 public:
 	SubsEditBox *control;