diff --git a/src/lang/dutch.txt b/src/lang/dutch.txt
--- a/src/lang/dutch.txt
+++ b/src/lang/dutch.txt
@@ -2691,7 +2691,7 @@ STR_LAI_OBJECT_DESCRIPTION_COMPANY_OWNED
 STR_ABOUT_OPENTTD                                               :{WHITE}Over OpenTTD
 STR_ABOUT_ORIGINAL_COPYRIGHT                                    :{BLACK}Originele copyright {COPYRIGHT} 1995 Chris Sawyer, alle rechten voorbehouden
 STR_ABOUT_VERSION                                               :{BLACK}OpenTTD versie {REV}
-STR_ABOUT_COPYRIGHT_OPENTTD                                     :{BLACK}OpenTTD {COPYRIGHT} 2002-2017 Het OpenTTD-team
+STR_ABOUT_COPYRIGHT_OPENTTD                                     :{BLACK}OpenTTD {COPYRIGHT} 2002-2018 Het OpenTTD-team
 
 # Save/load game/scenario
 STR_SAVELOAD_SAVE_CAPTION                                       :{WHITE}Spel Opslaan