diff --git a/src/cmd/dist/buildtool.go b/src/cmd/dist/buildtool.go
index 94b7587026..2058c721c5 100644
--- a/src/cmd/dist/buildtool.go
+++ b/src/cmd/dist/buildtool.go
@@ -65,6 +65,7 @@ var bootstrapDirs = []string{
 	"cmd/internal/obj/wasm",
 	"cmd/internal/src",
 	"cmd/internal/sys",
+	"cmd/internal/xcoff",
 	"cmd/link",
 	"cmd/link/internal/amd64",
 	"cmd/link/internal/arm",