diff --git a/migrations/0112.sql b/migrations/0112.sql
new file mode 100644
index 00000000..71ff4ae5
--- /dev/null
+++ b/migrations/0112.sql
@@ -0,0 +1,16 @@
+DELETE FROM userfield_values
+WHERE IFNULL(value, '') = '';
+
+CREATE TRIGGER prevent_empty_userfields_INS AFTER INSERT ON userfield_values
+BEGIN
+	DELETE FROM userfield_values
+	WHERE id = NEW.id
+		AND IFNULL(value, '') = '';
+END;
+
+CREATE TRIGGER prevent_empty_userfields_UPD2 AFTER UPDATE ON userfield_values
+BEGIN
+	DELETE FROM userfield_values
+	WHERE id = NEW.id
+		AND IFNULL(value, '') = '';
+END;