diff --git a/libr/io/io.c b/libr/io/io.c
index d6af0be8e8..4552a23c91 100644
--- a/libr/io/io.c
+++ b/libr/io/io.c
@@ -131,6 +131,7 @@ R_API RIODesc *r_io_open_buffer(RIO *io, RBuffer *b, int perm, int mode) {
 		const ut8 *tmp = r_buf_data (b, &bufSize);
 		r_io_desc_write (desc, tmp, bufSize);
 	}
+	free (uri);
 	return desc;
 }