diff --git a/libasignify/blake2.h b/libasignify/blake2.h
index 5d0d40c..f9967d0 100644
--- a/libasignify/blake2.h
+++ b/libasignify/blake2.h
@@ -56,7 +56,7 @@ extern "C" {
     uint8_t  personal[BLAKE2B_PERSONALBYTES];  // 64
   } blake2b_param;
 
-  BLAKE_ALIGN( 64 ) typedef struct __blake2b_state
+  typedef struct BLAKE_ALIGN( 64 ) __blake2b_state
   {
     uint64_t h[8];
     uint64_t t[2];