diff --git a/lib/stdlib.pas b/lib/stdlib.pas
index a57ba1c..5346b14 100644
--- a/lib/stdlib.pas
+++ b/lib/stdlib.pas
@@ -2570,7 +2570,7 @@ begin
 	else
 	begin
 		old := f.nointr;
-		f.nointr := nointr;
+		f.nointr := aBool;
 	end;
 end;
 (*