diff --git a/app/models/activity.rb b/app/models/activity.rb
index dfd6661c1..89483e07f 100644
--- a/app/models/activity.rb
+++ b/app/models/activity.rb
@@ -399,13 +399,7 @@ def google_event(loc = nil)
     return nil if start.nil? || self.end.nil?
 
     loc = I18n.locale if loc.nil?
-
-    disclaimer_en = "[Data on this activity may be outdated, as it was addes as a one-time copy of the information " \
-                    "given at that time]"
-    disclaimer_nl = "[Gegevens in deze afspraak kunnen outdated zijn, omdat deze waren toegevoegd als een eenmalig " \
-                    "kopie van wat toen bekend was]"
-    disclaimer = loc == :nl ? disclaimer_nl : disclaimer_en
-
+    disclaimer = "[#{ I18n.t('activerecord.attributes.activity.disclaimer') }]"
     description = "#{ activity_url }\n\n#{ description_localised(loc) }\n\n#{ disclaimer }"
     uri_name = URI.encode_www_form_component(name)
     uri_description = URI.encode_www_form_component(description)
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 019c8f609..e6760b3ca 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -33,6 +33,7 @@ en:
         description: Description
         description_en: English description
         description_nl: Dutch description
+        disclaimer: Data on this activity may be outdated, as it was addes as a one-time copy of the information given at that time. Up-to-date info can be found on Koala.
         end_date: Enddate
         end_time: Endtime
         google_event: Copy once to calendar
diff --git a/config/locales/nl.yml b/config/locales/nl.yml
index 8dd5d2baf..d8d03d38d 100644
--- a/config/locales/nl.yml
+++ b/config/locales/nl.yml
@@ -33,6 +33,7 @@ nl:
         description: Beschrijving
         description_en: Engelse beschrijving
         description_nl: Nederlandse beschrijving
+        disclaimer: Gegevens in deze afspraak kunnen outdated zijn, omdat deze waren toegevoegd als een eenmalig kopie van wat toen bekend was. Up-to-date informatie staat op Koala.
         end_date: Einddatum
         end_time: Eindtijd
         google_event: Kopiëer eenmalig naar agenda