diff --git a/lang/dutch.txt b/lang/dutch.txt
--- a/lang/dutch.txt
+++ b/lang/dutch.txt
@@ -311,6 +311,7 @@ STR_0135_OSX							:OSX
 STR_OSNAME_BEOS							:BeOS
 STR_OSNAME_MORPHOS						:MorphOS
 STR_OSNAME_AMIGAOS						:AmigaOS
+STR_OSNAME_OS2							:OS/2
 
 STR_0139_IMPERIAL_MILES						:Imperiaal (mijlen)
 STR_013A_METRIC_KILOMETERS					:S.I. (kilometers)