diff --git a/modules/extravar/skins/default/form_types/datetime.blade.php b/modules/extravar/skins/default/form_types/datetime.blade.php
index dfa97f589..0448cf86c 100644
--- a/modules/extravar/skins/default/form_types/datetime.blade.php
+++ b/modules/extravar/skins/default/form_types/datetime.blade.php
@@ -7,7 +7,7 @@
 		value="{{ $value }}"
 	/>
 	<input type="date" class="date" value="{{ $formatted_value }}"
-		pattern="\d{4}-\d{2}-\d{2}" placeholder="YYYY-MM-DD"
+		pattern="\d\d\d\d-\d\d-\d\d" placeholder="YYYY-MM-DD"
 		style="{{ $definition->style }}"|if="$definition->style"
 		onchange="jQuery(this).prev('.rx_ev_date').val(this.value.replace(/-/g, ''));"
 		@required(toBool($definition->is_required))
@@ -21,7 +21,7 @@
 @else
 	<input type="time" name="{{ $input_name }}"
 		id="{{ $input_id }}"|if="$input_id" class="rx_ev_time"
-		value="{{ $value }}" pattern="\d{2}:\d{2}"
+		value="{{ $value }}" pattern="\d\d:\d\d"
 		style="{{ $definition->style }}"|if="$definition->style"
 		@required(toBool($definition->is_required))
 		@disabled(toBool($definition->is_disabled))