diff --git a/vlib/io/reader.v b/vlib/io/reader.v
index c555cfadd5..e2ba17a6d5 100644
--- a/vlib/io/reader.v
+++ b/vlib/io/reader.v
@@ -63,6 +63,6 @@ pub fn read_any(mut r Reader) ?[]byte {
 }
 
 // RandomReader represents a stream of data that can be read from at a random location
-interface RandomReader {
+pub interface RandomReader {
 	read_from(pos u64, mut buf []byte) ?int
 }