diff --git a/core/um-actions-form.php b/core/um-actions-form.php
index 253ab682..429a3934 100644
--- a/core/um-actions-form.php
+++ b/core/um-actions-form.php
@@ -95,7 +95,7 @@
 			if( isset( $fields ) ){
 				foreach( $fields as $key => $array ) {
 					if ( isset($array['validate']) && in_array( $array['validate'], array('unique_username','unique_email','unique_username_or_email') ) ) {
-						if ( !$ultimatemember->form->has_error( $key ) && in_array( $args[$key], $words ) ) {
+						if ( !$ultimatemember->form->has_error( $key ) && isset( $args[$key] ) && in_array( $args[$key], $words ) ) {
 							$ultimatemember->form->add_error( $key,  __('You are not allowed to use this word as your username.','ultimatemember') );
 						}
 					}
diff --git a/core/um-fields.php b/core/um-fields.php
index cd712bad..cf8279dc 100644
--- a/core/um-fields.php
+++ b/core/um-fields.php
@@ -2426,8 +2426,12 @@ class UM_Fields {
 			if ( $borderradius ) $css_heading_borderradius = 'border-radius: ' . $borderradius . ' ' . $borderradius . ' 0px 0px;';
 
 			$output .= '<div class="um-row-heading" style="' . $css_heading_background_color . $css_heading_padding . $css_heading_text_color . $css_heading_borderradius . '">';
-			if ( isset($icon) ) $output .= '<span class="um-row-heading-icon"><i class="' . $icon . '"></i></span>';
-			$output .= $heading_text .'</div>';
+			
+			if ( isset( $icon ) ) {
+				$output .= '<span class="um-row-heading-icon"><i class="' . $icon . '"></i></span>';
+			}
+			
+			$output .= ( ! empty( $heading_text ) ? $heading_text: '') .'</div>';
 
 		} else {