diff --git a/sys/powerpc/ofw/ofw_machdep.c b/sys/powerpc/ofw/ofw_machdep.c
index 0c5eda2abc2..c86d6131b03 100644
--- a/sys/powerpc/ofw/ofw_machdep.c
+++ b/sys/powerpc/ofw/ofw_machdep.c
@@ -230,7 +230,7 @@ excise_fdt_reserved(struct mem_region *avail, int asz)
 	struct {
 		uint64_t address;
 		uint64_t size;
-	} fdtmap[16];
+	} fdtmap[32];
 	ssize_t fdtmapsize;
 	phandle_t chosen;
 	int i, j, k;