diff --git a/bin/mw b/bin/mw
index 2101cdd..ab779f3 100755
--- a/bin/mw
+++ b/bin/mw
@@ -86,7 +86,7 @@ prepmpop() {
 }
 
 prepimapnotify() {
-  mkdir -p "$imapnotify" ; envsubst < "$imapnotifytemp" >> "$imapnotify/$fulladdr.conf"
+  mkdir -p "$imapnotify" ; envsubst < "$imapnotifytemp" >> "$imapnotify/$fulladdr.yaml"
 }
 
 prepmutt() {