diff --git a/config/locales/gl/rails.yml b/config/locales/gl/rails.yml
index 38bcda621..1aba0c7f3 100644
--- a/config/locales/gl/rails.yml
+++ b/config/locales/gl/rails.yml
@@ -161,6 +161,7 @@ gl:
         units:
           billion: Billón
           million: Millón
+          quadrillion: mil billóns
           thousand: Mil
           trillion: Trillón
       format: