diff --git a/src/error_gui.cpp b/src/error_gui.cpp
index 6ebbfd7e90..6f32f0676f 100644
--- a/src/error_gui.cpp
+++ b/src/error_gui.cpp
@@ -335,7 +335,7 @@ public:
 	{
 		switch (widget) {
 			case WID_EM_CLOSE:
-				delete this;
+				this->Close();
 				break;
 
 			default: