diff --git a/aegisub/src/frame_main.cpp b/aegisub/src/frame_main.cpp
index df5499ae2..af647e68a 100644
--- a/aegisub/src/frame_main.cpp
+++ b/aegisub/src/frame_main.cpp
@@ -914,7 +914,7 @@ void FrameMain::UpdateTitle() {
 		wxFileName file (AssFile::top->filename);
 		newTitle << file.GetFullName();
 	}
-	else newTitle << _T("Untitled");
+	else newTitle << _("Untitled");
 	newTitle << _T(" - Aegisub ") << GetAegisubLongVersionString();
 #else
 	// Apple HIG says "untitled" should not be capitalised
@@ -924,7 +924,7 @@ void FrameMain::UpdateTitle() {
 		wxFileName file (AssFile::top->filename);
 		newTitle << file.GetFullName();
 	}
-	else newTitle << _T("untitled");
+	else newTitle << _("untitled");
 #endif
 
 #ifdef __WXMAC__