diff --git a/arch/s390/boot/decompressor.c b/arch/s390/boot/decompressor.c
index 8dcd7af2911a07c36d792aa0366314579b512e28..b519a1f045d8f290251c3e810df60821f2134829 100644
--- a/arch/s390/boot/decompressor.c
+++ b/arch/s390/boot/decompressor.c
@@ -80,6 +80,6 @@ void *decompress_kernel(void)
 	void *output = (void *)decompress_offset;
 
 	__decompress(_compressed_start, _compressed_end - _compressed_start,
-		     NULL, NULL, output, 0, NULL, error);
+		     NULL, NULL, output, vmlinux.image_size, NULL, error);
 	return output;
 }