diff --git a/library/L3_Templates.ttcn b/library/L3_Templates.ttcn
index 8f60b5c..4c182f8 100644
--- a/library/L3_Templates.ttcn
+++ b/library/L3_Templates.ttcn
@@ -33,10 +33,10 @@
 	var IMSI_L3 l3;
 	var integer len := lengthof(digits);
 	if (len rem 2 == 1) {	/* modulo remainder */
-		l3.oddevenIndicator := '0'B;
+		l3.oddevenIndicator := '1'B;
 		l3.fillerDigit := '1111'B;
 	} else {
-		l3.oddevenIndicator := '1'B;
+		l3.oddevenIndicator := '0'B;
 		l3.fillerDigit := omit;
 	}
 	l3.digits := digits;