diff --git a/APPL/Shared/Shared.inc b/APPL/Shared/Shared.inc
index 52ab6b4dfd..1a042636f7 100644
--- a/APPL/Shared/Shared.inc
+++ b/APPL/Shared/Shared.inc
@@ -1475,7 +1475,7 @@ function convertTimeZone(thisDate, fromTZ, toTZ)
 // Als de jsDate van de user(client) afkomstig is, hoeft er geen conversie naar de user-time-zone plaats te vinden
 function toTimeString(jsDate, bWithSeconds, isLocalTime)
 {
-    if (jsDate===null)
+    if (jsDate == null)
         return "";
 
     if (typeof jsDate == "object" && jsDate.type == 135/*adDBTimeStamp, oRs("datum")*/)
@@ -1512,7 +1512,7 @@ function toDateString(jsDate, noDay, pretty, isLocalDate)
     var tomorrow = (new Date(today));
     tomorrow.setDate(today.getDate()+1);
 
-    if (jsDate===null)
+    if (jsDate == null)
         return "";
 
     if (typeof jsDate == "object" && jsDate.type == 135/*adDBTimeStamp, oRs("datum")*/)
@@ -1545,7 +1545,7 @@ function toDateString(jsDate, noDay, pretty, isLocalDate)
 }
 function toDateTimeString(jsDate, bWithSeconds, noDay, prettyday, noMidnight, isLocalDate)
 {
-    if (jsDate===null)
+    if (jsDate == null)
         return "";
 
     if (typeof jsDate == "object" && jsDate.type == 135/*adDBTimeStamp, oRs("datum")*/)