diff --git a/common/cmd_mem.c b/common/cmd_mem.c
index ccf420a132..4b524cfc16 100644
--- a/common/cmd_mem.c
+++ b/common/cmd_mem.c
@@ -1212,6 +1212,7 @@ int do_unzip ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 	unsigned long src, dst;
 	unsigned long src_len = ~0UL, dst_len = ~0UL;
+	char buf[32];
 
 	switch (argc) {
 		case 4:
@@ -1225,7 +1226,14 @@ int do_unzip ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 			return cmd_usage(cmdtp);
 	}
 
-	return !!gunzip((void *) dst, dst_len, (void *) src, &src_len);
+	if (gunzip((void *) dst, dst_len, (void *) src, &src_len) != 0)
+		return 1;
+
+	printf("Uncompressed size: %ld = 0x%lX\n", src_len, src_len);
+	sprintf(buf, "%lX", src_len);
+	setenv("filesize", buf);
+
+	return 0;
 }
 #endif /* CONFIG_CMD_UNZIP */