diff --git a/include/crypto/internal/poly1305.h b/include/crypto/internal/poly1305.h
index a72fff409ab8..f6de53965319 100644
--- a/include/crypto/internal/poly1305.h
+++ b/include/crypto/internal/poly1305.h
@@ -8,6 +8,7 @@
 
 #include <crypto/poly1305.h>
 #include <linux/types.h>
+#include <linux/string.h>
 
 /*
  * Poly1305 core functions.  These only accept whole blocks; the caller must
@@ -21,7 +22,8 @@ void poly1305_core_setkey(struct poly1305_core_key *key,
 			  const u8 raw_key[POLY1305_BLOCK_SIZE]);
 static inline void poly1305_core_init(struct poly1305_state *state)
 {
-	*state = (struct poly1305_state){};
+	//*state = (struct poly1305_state){};
+	memset(state, 0, sizeof(struct poly1305_state));
 }
 
 void poly1305_core_blocks(struct poly1305_state *state,