diff --git a/sys/powerpc/include/pcpu.h b/sys/powerpc/include/pcpu.h
index 3f6a23446bf..7ab184e6427 100644
--- a/sys/powerpc/include/pcpu.h
+++ b/sys/powerpc/include/pcpu.h
@@ -128,7 +128,7 @@ struct pmap;
  */
 #ifndef PCPU_MD_FIELDS
 #define	PCPU_MD_FIELDS							\
-	int		pc_md_placeholder
+	int		pc_md_placeholder[32]
 #endif
 
 #ifdef _KERNEL