diff --git a/entity/Appointment_entity/entityfields/begin/valueProcess.js b/entity/Appointment_entity/entityfields/begin/valueProcess.js
index 48c50b4d7e29af1841108d422834f2f7dddcc35a..2c01e234cb59893a1d1cd42da3d6828137dcba9c 100644
--- a/entity/Appointment_entity/entityfields/begin/valueProcess.js
+++ b/entity/Appointment_entity/entityfields/begin/valueProcess.js
@@ -14,4 +14,13 @@ if(vars.get("$sys.recordstate") == neon.OPERATINGSTATE_NEW && vars.exists("$para
         result.string(vars.get("$this.value"));
     else if(event[calendars.DTSTART])
         result.string(event[calendars.DTSTART]);
+}
+
+/**
+ * Sets explicitly the start date when a preset is sent from the core, due to a move or resize event from the user. Do not remove.
+ */
+if(vars.get("$sys.recordstate") == neon.OPERATINGSTATE_EDIT && vars.exists("$param.Entry_param"))
+{
+    var event = JSON.parse(vars.getString("$param.Entry_param"));
+    result.string(event[calendars.DTSTART]);
 }
\ No newline at end of file
diff --git a/entity/Appointment_entity/entityfields/end/valueProcess.js b/entity/Appointment_entity/entityfields/end/valueProcess.js
index 284d2d66518b86d3727a04d3ab07ebe1ba250662..c7b6ff0bc3c969be63c3338eb60768a41c9d7d20 100644
--- a/entity/Appointment_entity/entityfields/end/valueProcess.js
+++ b/entity/Appointment_entity/entityfields/end/valueProcess.js
@@ -14,4 +14,13 @@ if(vars.get("$sys.recordstate") == neon.OPERATINGSTATE_NEW && vars.exists("$para
         result.string(vars.get("$this.value"));
     else if(event[calendars.DTEND])
         result.string(event[calendars.DTEND]);
+}
+
+/**
+ * Sets explicitly the end date when a preset is sent from the core, due to a move or resize event from the user. Do not remove.
+ */
+if(vars.get("$sys.recordstate") == neon.OPERATINGSTATE_EDIT && vars.exists("$param.Entry_param"))
+{
+    var event = JSON.parse(vars.getString("$param.Entry_param"));
+    result.string(event[calendars.DTEND]);
 }
\ No newline at end of file