diff --git a/src/chacha.h b/src/chacha.h
index 55b81b3..e45229f 100644
--- a/src/chacha.h
+++ b/src/chacha.h
@@ -33,6 +33,7 @@ class chacha20 : public streamcipher
 	 * are 40byte (320bit). We always use the "32byte" expansion.
 	 */
 
+public:
 	uint32_t key[10];
 	uint32_t counter[2];