diff --git a/asminc/telestrat.inc b/asminc/telestrat.inc
index 64d127625..b52e8ae37 100644
--- a/asminc/telestrat.inc
+++ b/asminc/telestrat.inc
@@ -58,7 +58,7 @@ HRS5            := $55
 
 ; ---------------------------------------------------------------------------
 ; Low memory
-
+IRQVec          := $02fb        ; "fast" interrupt vector