diff --git a/layout/html/base/src/MANIFEST b/layout/html/base/src/MANIFEST
index 8a3e4949c85a..2c4ef479c896 100644
--- a/layout/html/base/src/MANIFEST
+++ b/layout/html/base/src/MANIFEST
@@ -3,3 +3,4 @@
 #
 
 nsGlobalVariables.h
+nsBlockBandData.h