diff --git a/arch/powerpc/kernel/fadump.c b/arch/powerpc/kernel/fadump.c
index 69d64f406204..15405db43141 100644
--- a/arch/powerpc/kernel/fadump.c
+++ b/arch/powerpc/kernel/fadump.c
@@ -629,6 +629,7 @@ int __init fadump_reserve_mem(void)
 	return ret;
 error_out:
 	fw_dump.fadump_enabled = 0;
+	fw_dump.reserve_dump_area_size = 0;
 	return 0;
 }