diff --git a/validator/src/main/resources/schema/odf1.4/OpenDocument-v1.4-schema.rng b/validator/src/main/resources/schema/odf1.4/OpenDocument-v1.4-schema.rng
index 169c5c8f6..c444dd15e 100644
--- a/validator/src/main/resources/schema/odf1.4/OpenDocument-v1.4-schema.rng
+++ b/validator/src/main/resources/schema/odf1.4/OpenDocument-v1.4-schema.rng
@@ -7075,7 +7075,7 @@
   <!-- https://issues.oasis-open.org/browse/OFFICE-4122 nonNegativePercent -->
   <rng:define name="nonNegativePercent">
   <rng:data type="string">
-    <rng:param name="pattern">([0-9]+(\.[0-9]*)?|\.[0-9]+)</rng:param>
+    <rng:param name="pattern">([0-9]+(\.[0-9]*)?|\.[0-9]+)%</rng:param>
   </rng:data>
 </rng:define>
   <rng:define name="nonNegativePixelLength">