diff --git a/libgo/go/internal/syscall/unix/sysnum_linux_ppc64x.go b/libgo/go/internal/syscall/unix/sysnum_linux_ppc64x.go
index 576937e..aa2e81a 100644
--- a/libgo/go/internal/syscall/unix/sysnum_linux_ppc64x.go
+++ b/libgo/go/internal/syscall/unix/sysnum_linux_ppc64x.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build ppc64 ppc64le
+// +build ppc ppc64 ppc64le
 
 package unix