diff --git a/gost_grasshopper_cipher.c b/gost_grasshopper_cipher.c
index c6817ba2..5896bea9 100644
--- a/gost_grasshopper_cipher.c
+++ b/gost_grasshopper_cipher.c
@@ -215,7 +215,7 @@ static int gost_grasshopper_cipher_init(EVP_CIPHER_CTX *ctx,
         EVP_CIPHER_CTX_set_app_data(ctx, EVP_CIPHER_CTX_get_cipher_data(ctx));
         if (enc && c->type == GRASSHOPPER_CIPHER_CTRACPKM) {
             gost_grasshopper_cipher_ctx_ctr *ctr = EVP_CIPHER_CTX_get_cipher_data(ctx);
-            if (!ctr->has_kdf_seed && init_zero_kdf_seed(ctr->kdf_seed) == 0)
+            if (init_zero_kdf_seed(ctr->kdf_seed) == 0)
                 return -1;
         }
     }
diff --git a/gost_grasshopper_cipher.h b/gost_grasshopper_cipher.h
index 6fda4b99..ecaf1c7a 100644
--- a/gost_grasshopper_cipher.h
+++ b/gost_grasshopper_cipher.h
@@ -33,7 +33,6 @@ typedef struct {
     unsigned char kdf_seed[8];
 		unsigned char tag[16];
 		EVP_MD_CTX *omac_ctx;
-    int has_kdf_seed;
 } gost_grasshopper_cipher_ctx_ctr;
 
 static void gost_grasshopper_cipher_key(gost_grasshopper_cipher_ctx* c, const uint8_t* k);