diff --git a/Ofront/Code/OPM.ocf b/Ofront/Code/OPM.ocf
index 8d1c63843..0986f1f52 100644
Binary files a/Ofront/Code/OPM.ocf and b/Ofront/Code/OPM.ocf differ
diff --git a/Ofront/Mod/OPM.odc b/Ofront/Mod/OPM.odc
index 97ecb8219..669b673a5 100644
Binary files a/Ofront/Mod/OPM.odc and b/Ofront/Mod/OPM.odc differ
diff --git a/Ofront/Mod/Text/OPM.txt b/Ofront/Mod/Text/OPM.txt
index 99434a2b8..16c99c862 100644
--- a/Ofront/Mod/Text/OPM.txt
+++ b/Ofront/Mod/Text/OPM.txt
@@ -526,6 +526,7 @@ MODULE OfrontOPM;	(* RC 6.3.89 / 28.6.89, J.Templ 10.7.89 / 8.5.95*)
 		MinReal := -MaxReal;
 		MinLReal := -MaxLReal;
 		IF IntSize = 4 THEN MinInt := MinLInt; MaxInt := MaxLInt END ;
+		IF SIntSize = 2 THEN MinSInt := -8000H; MaxSInt := 7FFFH END ;
 		MaxSet := SetSize * 8 - 1;
 		MaxIndex := MaxLInt
 	END GetProperties;