diff --git a/packages/govuk-frontend/.browserslistrc b/packages/govuk-frontend/.browserslistrc
index 7185d16c8e..8a4a65a527 100644
--- a/packages/govuk-frontend/.browserslistrc
+++ b/packages/govuk-frontend/.browserslistrc
@@ -3,6 +3,7 @@
 
 [javascripts]
 supports es6-module
+not OperaMobile > 0
 
 [stylesheets]
 > 0.1% in GB and not dead