diff --git a/cmd/qfw.c b/cmd/qfw.c
index ccbc967..c61001b 100644
--- a/cmd/qfw.c
+++ b/cmd/qfw.c
@@ -40,6 +40,7 @@
 	qfw_read_entry(qfw_dev, FW_CFG_KERNEL_DATA,
 		       le32_to_cpu(kernel_size), data_addr);
 	data_addr += le32_to_cpu(kernel_size);
+	env_set_hex("filesize", le32_to_cpu(kernel_size));
 
 	data_addr = initrd_addr;
 	qfw_read_entry(qfw_dev, FW_CFG_INITRD_SIZE, 4, &initrd_size);
@@ -49,6 +50,7 @@
 		qfw_read_entry(qfw_dev, FW_CFG_INITRD_DATA,
 			       le32_to_cpu(initrd_size), data_addr);
 		data_addr += le32_to_cpu(initrd_size);
+		env_set_hex("filesize", le32_to_cpu(initrd_size));
 	}
 
 	qfw_read_entry(qfw_dev, FW_CFG_CMDLINE_SIZE, 4, &cmdline_size);