diff --git a/aegisub/src/subs_edit_box.cpp b/aegisub/src/subs_edit_box.cpp
index 7dd75d124..1998ac5f0 100644
--- a/aegisub/src/subs_edit_box.cpp
+++ b/aegisub/src/subs_edit_box.cpp
@@ -1255,6 +1255,7 @@ void SubsEditBox::SetOverride (wxString tagname,wxString preValue,int forcePos,b
 			wxString name = override->Tags.at(i)->Name;
 			if (insertTags.Index(name) != wxNOT_FOUND || removeTag == name) {
 				shift -= override->Tags.at(i)->ToString().Length();
+				delete override->Tags.at(i);
 				override->Tags.erase(override->Tags.begin() + i);
 				i--;
 			}