diff --git a/code/model/UserDefinedForm.php b/code/model/UserDefinedForm.php
index 7efb6bf..9fafc81 100755
--- a/code/model/UserDefinedForm.php
+++ b/code/model/UserDefinedForm.php
@@ -162,7 +162,11 @@ LEFT JOIN "SubmittedForm" ON "SubmittedForm"."ID" = "SubmittedFormField"."Parent
 WHERE "SubmittedForm"."ParentID" = '$parentID'
 ORDER BY "Title" ASC
 SQL;
-			$columns = DB::query($columnSQL)->map();
+			// Sanitise periods in title
+			$columns = array();
+			foreach(DB::query($columnSQL)->map() as $name => $title) {
+				$columns[$name] = trim(strtr($title, '.', ' '));
+			}
 			
 			$config = new GridFieldConfig();
 			$config->addComponent(new GridFieldToolbarHeader());