diff --git a/js/forms-json-utils.js b/js/forms-json-utils.js
index 57c97e91b..a80f572d7 100644
--- a/js/forms-json-utils.js
+++ b/js/forms-json-utils.js
@@ -300,60 +300,62 @@ function ValidateField(sFieldId, sPattern, bMandatory, sFormId, nullValue, origi
 
 function ValidateCKEditField(sFieldId, sPattern, bMandatory, sFormId, nullValue, originalValue)
 {
-	if ($('#'+sFieldId).size() > 0) {
-		var bValid;
-		var sExplain = '';
-		var sTextContent;
+	if ($('#'+sFieldId).length === 0) {
+		return;
+	}
 
-		if ($('#'+sFieldId).prop('disabled')) {
-			bValid = true; // disabled fields are not checked
+	var bValid;
+	var sExplain = '';
+	var sTextContent;
+
+	if ($('#'+sFieldId).prop('disabled')) {
+		bValid = true; // disabled fields are not checked
+	} else {
+		// Get the contents without the tags
+		var oFormattedContents = $("#cke_"+sFieldId+" iframe");
+		if (oFormattedContents.length == 0) {
+			var oSourceContents = $("#cke_"+sFieldId+" textarea.cke_source");
+			sTextContent = oSourceContents.val();
 		} else {
-			// Get the contents without the tags
-			var oFormattedContents = $("#cke_"+sFieldId+" iframe");
-			if (oFormattedContents.length == 0) {
-				var oSourceContents = $("#cke_"+sFieldId+" textarea.cke_source");
-				sTextContent = oSourceContents.val();
-			} else {
-				sTextContent = oFormattedContents.contents().find("body").text();
+			sTextContent = oFormattedContents.contents().find("body").text();
 
-				if (sTextContent == '') {
-					// No plain text, maybe there is just an image...
-					var oImg = oFormattedContents.contents().find("body img");
-					if (oImg.length != 0) {
-						sTextContent = 'image';
-					}
+			if (sTextContent == '') {
+				// No plain text, maybe there is just an image...
+				var oImg = oFormattedContents.contents().find("body img");
+				if (oImg.length != 0) {
+					sTextContent = 'image';
 				}
 			}
+		}
 
-			// Get the original value without the tags
-			var oFormattedOriginalContents = (originalValue !== undefined) ? $('<div></div>').html(originalValue) : undefined;
-			var sTextOriginalContents = (oFormattedOriginalContents !== undefined) ? oFormattedOriginalContents.text() : undefined;
+		// Get the original value without the tags
+		var oFormattedOriginalContents = (originalValue !== undefined) ? $('<div></div>').html(originalValue) : undefined;
+		var sTextOriginalContents = (oFormattedOriginalContents !== undefined) ? oFormattedOriginalContents.text() : undefined;
 
-			if (bMandatory && (sTextContent == nullValue)) {
-				bValid = false;
+		if (bMandatory && (sTextContent == nullValue)) {
+			bValid = false;
+			sExplain = Dict.S('UI:ValueMustBeSet');
+		} else if ((sTextOriginalContents != undefined) && (sTextContent == sTextOriginalContents)) {
+			bValid = false;
+			if (sTextOriginalContents == nullValue) {
 				sExplain = Dict.S('UI:ValueMustBeSet');
-			} else if ((sTextOriginalContents != undefined) && (sTextContent == sTextOriginalContents)) {
-				bValid = false;
-				if (sTextOriginalContents == nullValue) {
-					sExplain = Dict.S('UI:ValueMustBeSet');
-				} else {
-					// Note: value change check is not working well yet as the HTML to Text conversion is not exactly the same when done from the PHP value or the CKEditor value.
-					sExplain = Dict.S('UI:ValueMustBeChanged');
-				}
 			} else {
-				bValid = true;
+				// Note: value change check is not working well yet as the HTML to Text conversion is not exactly the same when done from the PHP value or the CKEditor value.
+				sExplain = Dict.S('UI:ValueMustBeChanged');
 			}
+		} else {
+			bValid = true;
 		}
+	}
 
-		ReportFieldValidationStatus(sFieldId, sFormId, bValid, sExplain);
+	ReportFieldValidationStatus(sFieldId, sFormId, bValid, sExplain);
 
-		if ($('#'+sFieldId).data('timeout_validate') == undefined) {
-			// We need to check periodically as CKEditor doesn't trigger our events. More details in UIHTMLEditorWidget::Display() @ line 92
-			var iTimeoutValidate = setInterval(function () {
-				ValidateCKEditField(sFieldId, sPattern, bMandatory, sFormId, nullValue, originalValue);
-			}, 500);
-			$('#'+sFieldId).data('timeout_validate', iTimeoutValidate);
-		}
+	if ($('#'+sFieldId).data('timeout_validate') == undefined) {
+		// We need to check periodically as CKEditor doesn't trigger our events. More details in UIHTMLEditorWidget::Display() @ line 92
+		var iTimeoutValidate = setInterval(function () {
+			ValidateCKEditField(sFieldId, sPattern, bMandatory, sFormId, nullValue, originalValue);
+		}, 500);
+		$('#'+sFieldId).data('timeout_validate', iTimeoutValidate);
 	}
 }