diff --git a/rsrc/dialogs/save-before-close.xml b/rsrc/dialogs/save-before-close.xml
new file mode 100644
index 00000000..a8663ff5
--- /dev/null
+++ b/rsrc/dialogs/save-before-close.xml
@@ -0,0 +1,11 @@
+<?xml version='1.0' encoding='UTF-8' standalone='no'?>
+<?xml-stylesheet href="dialog.xsl" type="text/xsl"?>
+<dialog defbtn='save'>
+	<button name='save' type='regular' top='43' left='240'>Save</button>
+	<button name='cancel' type='regular' def-key='esc' top='43' left='175'>Cancel</button>
+	<button name='revert' type='regular' top='43' left='109'>Close</button>
+	<pict type='dlog' num='16' top='6' left='6'/>
+	<text top='6' left='49' width='256' height='32'>
+		Do you want to save changes to your scenario before closing?
+	</text>
+</dialog>
\ No newline at end of file