diff --git a/aegisub/src/dialog_resample.cpp b/aegisub/src/dialog_resample.cpp
index cc4f3178b..8c7d23518 100644
--- a/aegisub/src/dialog_resample.cpp
+++ b/aegisub/src/dialog_resample.cpp
@@ -67,6 +67,7 @@ enum {
 
 DialogResample::DialogResample(agi::Context *c)
 : wxDialog(c->parent,-1,_("Resample resolution"),wxDefaultPosition)
+, c(c)
 {
 	// Set icon
 	SetIcon(BitmapToIcon(GETIMAGE(resample_toolbutton_24)));