diff --git a/aegisub/src/dialog_styling_assistant.cpp b/aegisub/src/dialog_styling_assistant.cpp
index be2108d61..7bd313260 100644
--- a/aegisub/src/dialog_styling_assistant.cpp
+++ b/aegisub/src/dialog_styling_assistant.cpp
@@ -259,4 +259,6 @@ void DialogStyling::OnKeyDown(wxKeyEvent &evt) {
 		if (from > 0)
 			style_name->SetSelection(from - 1, to);
 	}
+	else
+		evt.Skip();
 }