diff --git a/changelog/76_UNRELEASED_xxxx-xx-xx.md b/changelog/76_UNRELEASED_xxxx-xx-xx.md
index b874c9ad..38726ddf 100644
--- a/changelog/76_UNRELEASED_xxxx-xx-xx.md
+++ b/changelog/76_UNRELEASED_xxxx-xx-xx.md
@@ -59,6 +59,7 @@
 ### Userfields
 
 - Userentity tables (custom objects / lists) now also have the table options icon (top left corner eye icon, to e.g. add a grouping condition)
+- Userfield names can now also contain underscores
 
 ### General
 
diff --git a/views/userentityform.blade.php b/views/userentityform.blade.php
index 0e23259c..c95d83c4 100644
--- a/views/userentityform.blade.php
+++ b/views/userentityform.blade.php
@@ -39,7 +39,7 @@
 					type="text"
 					class="form-control"
 					required
-					pattern="^[a-zA-Z0-9]*$"
+					pattern="^[a-zA-Z0-9_]*$"
 					id="name"
 					name="name"
 					value="@if($mode == 'edit'){{ $userentity->name }}@endif">
diff --git a/views/userfieldform.blade.php b/views/userfieldform.blade.php
index eff65754..ff7531d9 100644
--- a/views/userfieldform.blade.php
+++ b/views/userfieldform.blade.php
@@ -57,7 +57,7 @@
 				<input type="text"
 					class="form-control"
 					required
-					pattern="^[a-zA-Z0-9]*$"
+					pattern="^[a-zA-Z0-9_]*$"
 					id="name"
 					name="name"
 					value="@if($mode == 'edit'){{ $userfield->name }}@endif">