diff --git a/build.gradle b/build.gradle
index 1e7b41e..13d7390 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,7 +7,7 @@ plugins {
 }
 
 group 'no.datek'
-version '0.16.2'
+version '0.16.3'
 final String JRUBY_VERSION = '9.4.5.0';
 
 repositories {
diff --git a/src/main/resources/ruby/slim_helper.rb b/src/main/resources/ruby/slim_helper.rb
index b83043f..1db8166 100644
--- a/src/main/resources/ruby/slim_helper.rb
+++ b/src/main/resources/ruby/slim_helper.rb
@@ -91,12 +91,12 @@ def formatDateTime(date_time, format = 'yyyy-MM-dd HH:mm:ss', timeZoneId: TimeZo
 
     local_date_time =
       if !(LocalDateTime === date_time)
-        DateUtils.toJava8LocalDateTime(date_time)
+        DateUtils.toLocalDateTime(date_time)
       else
         date_time
       end
 
-    DateUtils.formatJava8DateTime(local_date_time, format, timeZoneId)
+    DateUtils.formatLocalDateTime(local_date_time, format, timeZoneId)
   end
 
   def formatDate(date, format = '%d.%m.%Y')