diff --git a/security/nss/lib/util/manifest.mn b/security/nss/lib/util/manifest.mn
index e88b0f0036f..0dd2f3d7e8f 100644
--- a/security/nss/lib/util/manifest.mn
+++ b/security/nss/lib/util/manifest.mn
@@ -68,6 +68,7 @@ CSRCS = \
 	dersubr.c \
 	dertime.c \
 	nssb64d.c \
+	nssb64e.c \
 	nssrwlk.c \
 	nsslocks.c \
 	portreg.c \