diff --git a/components/lib/multiselect/MultiSelect.js b/components/lib/multiselect/MultiSelect.js
index dbe968f20c..d91211783c 100644
--- a/components/lib/multiselect/MultiSelect.js
+++ b/components/lib/multiselect/MultiSelect.js
@@ -501,7 +501,11 @@ export const MultiSelect = React.memo(
                 if (ObjectUtils.isNotEmpty(props.maxSelectedLabels) && props.value.length > props.maxSelectedLabels) {
                     return getSelectedItemsLabel();
                 } else {
-                    return props.value.reduce((acc, value, index) => acc + (index !== 0 ? ',' : '') + getLabelByValue(value), '');
+                    if (ObjectUtils.isArray(props.value)) {
+                        return props.value.reduce((acc, value, index) => acc + (index !== 0 ? ',' : '') + getLabelByValue(value), '');
+                    } else {
+                        return '';
+                    }
                 }
             }
 
diff --git a/components/lib/multiselect/MultiSelectHeader.js b/components/lib/multiselect/MultiSelectHeader.js
index e0f8b64e75..c3aabfe502 100644
--- a/components/lib/multiselect/MultiSelectHeader.js
+++ b/components/lib/multiselect/MultiSelectHeader.js
@@ -80,11 +80,11 @@ export const MultiSelectHeader = React.memo((props) => {
 
             if (props.filterTemplate) {
                 const defaultContentOptions = {
-                    className: containerClassName,
+                    className: filterContainerProps.className,
                     element: content,
                     filterOptions: filterOptions,
                     onFilter: onFilter,
-                    filterIconClassName,
+                    filterIconClassName: props.filterIconClassName,
                     props
                 };