diff --git a/aegisub/audio_display.cpp b/aegisub/audio_display.cpp
index f505bcd01..fb6b7b6ec 100644
--- a/aegisub/audio_display.cpp
+++ b/aegisub/audio_display.cpp
@@ -2095,7 +2095,7 @@ void AudioDisplay::ChangeLine(int delta) {
 		int next = line_n+delta;
 		if (next == -1) next = 0;
 		if (next == grid->GetRows()) next = grid->GetRows() - 1;
-		wxLogDebug(_T("AudioDisplay::ChangeLine: next=%s"), next);
+		wxLogDebug(_T("AudioDisplay::ChangeLine: next=%i"), next);
 
 		// Set stuff
 		NeedCommit = false;
diff --git a/aegisub/frame_main.cpp b/aegisub/frame_main.cpp
index be15f5c9d..7c996b843 100644
--- a/aegisub/frame_main.cpp
+++ b/aegisub/frame_main.cpp
@@ -500,6 +500,7 @@ void FrameMain::InitContents() {
 	// Set display
 	SetDisplayMode(0,0);
 	Layout();
+	EditBox->TextEdit->SetFocus();
 }
 
 
diff --git a/aegisub/main.cpp b/aegisub/main.cpp
index 000345492..7c9b9ab01 100644
--- a/aegisub/main.cpp
+++ b/aegisub/main.cpp
@@ -371,7 +371,8 @@ void AegisubApp::OnMouseWheel(wxMouseEvent &event) {
 	wxPoint pt;
 	wxWindow *target = wxFindWindowAtPointer(pt);
 	if (target == frame->audioBox->audioDisplay || target == frame->SubsBox) {
-		target->AddPendingEvent(event);
+		if (target->IsShownOnScreen()) target->AddPendingEvent(event);
+		else event.Skip();
 	}
 	else event.Skip();
 }