diff --git a/lrzip.c b/lrzip.c
index 653891c..4945828 100644
--- a/lrzip.c
+++ b/lrzip.c
@@ -467,6 +467,7 @@ void decompress_file(rzip_control *control)
 			fatal("Failed to open %s\n", infilecopy);
 		}
 	}
+	control->fd_in = fd_in;
 
 	if (!(TEST_ONLY | STDOUT)) {
 		if (FORCE_REPLACE)
diff --git a/lrzip_private.h b/lrzip_private.h
index 74dd163..9df5f97 100644
--- a/lrzip_private.h
+++ b/lrzip_private.h
@@ -189,6 +189,7 @@ struct rzip_control {
 	int minor_version;
 	i64 st_size;
 	long page_size;
+	int fd_in;
 	int fd_out;
 	int fd_hist;
 	char encrypt;