diff --git a/modules/clan/phonebox/default.nix b/modules/clan/phonebox/default.nix
index 7ab71a3..960ee85 100644
--- a/modules/clan/phonebox/default.nix
+++ b/modules/clan/phonebox/default.nix
@@ -277,7 +277,7 @@
 
                       exten => h,1,GotoIf($[''${FAXECHO}]?sendfax)
                       same => n,Hangup()
-                      same => n(sendfax),Originate(PJSIP/00,app,SendFAX,${faxDir}/echo-''${UNIQUEID}.tiff)
+                      same => n(sendfax),Originate(PJSIP/00,app,SendFAX,''${FAXFILE})
                       same => n,Set(FAXECHO=false)
 
                     ''