diff --git a/po-properties/POTFILES.skip b/po-properties/POTFILES.skip
index 2d99bc9747..19c8d64f07 100644
--- a/po-properties/POTFILES.skip
+++ b/po-properties/POTFILES.skip
@@ -238,6 +238,8 @@ testsuite/reftests/notebook-tab-position.ref.ui
 testsuite/reftests/notebook-tab-position.ui
 testsuite/reftests/nth-child.ref.ui
 testsuite/reftests/nth-child.ui
+testsuite/reftests/pseudoclass-on-box.ref.ui
+testsuite/reftests/pseudoclass-on-box.ui
 testsuite/reftests/pseudoclass-on-parent.ref.ui
 testsuite/reftests/pseudoclass-on-parent.ui
 testsuite/reftests/quit-mnemonic.ref.ui
diff --git a/po/POTFILES.skip b/po/POTFILES.skip
index 0b16d0c202..f57c99fff2 100644
--- a/po/POTFILES.skip
+++ b/po/POTFILES.skip
@@ -207,6 +207,8 @@ testsuite/reftests/notebook-tab-position.ref.ui
 testsuite/reftests/notebook-tab-position.ui
 testsuite/reftests/nth-child.ref.ui
 testsuite/reftests/nth-child.ui
+testsuite/reftests/pseudoclass-on-box.ref.ui
+testsuite/reftests/pseudoclass-on-box.ui
 testsuite/reftests/pseudoclass-on-parent.ref.ui
 testsuite/reftests/pseudoclass-on-parent.ui
 testsuite/reftests/quit-mnemonic.ref.ui