diff --git a/ghc/rts/HSrts.def b/ghc/rts/HSrts.def
index 026105d1b590487af93fc8f59fb0af5c48071aea..1ecf2696e2a67271dfce232870f97d8ccb9f44de 100644
--- a/ghc/rts/HSrts.def
+++ b/ghc/rts/HSrts.def
@@ -348,7 +348,7 @@ EXPORTS
 	rts_checkSchedStatus @ 357 ; 
 	rts_eval @ 358 ; 
 	rts_evalIO @ 359 ; 
-	rts_evalIO_ @ 360 ; 
+	rts_evalLazyIO @ 360 ; 
 	rts_eval_ @ 361 ; 
 	rts_getAddr @ 362 ; 
 	rts_getBool @ 363 ;