diff --git a/src/dialog_shift_times.cpp b/src/dialog_shift_times.cpp
index 268e307ea..07dbed59a 100644
--- a/src/dialog_shift_times.cpp
+++ b/src/dialog_shift_times.cpp
@@ -190,11 +190,12 @@ DialogShiftTimes::DialogShiftTimes(agi::Context *context)
 		shift_frames->Disable();
 
 	// Position controls
-	wxSizer *shift_amount_sizer = new wxFlexGridSizer(2, 2, 5, 5);
+	wxFlexGridSizer* shift_amount_sizer = new wxFlexGridSizer(2, 2, 5, 5);
+	shift_amount_sizer->AddGrowableCol(1, 1);
 	shift_amount_sizer->Add(shift_by_time, wxSizerFlags(0).Align(wxALIGN_CENTER_VERTICAL));
-	shift_amount_sizer->Add(shift_time, wxSizerFlags(1));
+	shift_amount_sizer->Add(shift_time, wxSizerFlags().Expand());
 	shift_amount_sizer->Add(shift_by_frames, wxSizerFlags(0).Align(wxALIGN_CENTER_VERTICAL));
-	shift_amount_sizer->Add(shift_frames, wxSizerFlags(1));
+	shift_amount_sizer->Add(shift_frames, wxSizerFlags().Expand());
 
 	wxSizer *shift_direction_sizer = new wxBoxSizer(wxHORIZONTAL);
 	shift_direction_sizer->Add(shift_forward, wxSizerFlags(1).Expand());