diff --git a/src/cryptonote_core/cryptonote_tx_utils.cpp b/src/cryptonote_core/cryptonote_tx_utils.cpp
index 7f821135e..bc38c767d 100644
--- a/src/cryptonote_core/cryptonote_tx_utils.cpp
+++ b/src/cryptonote_core/cryptonote_tx_utils.cpp
@@ -1440,16 +1440,24 @@ namespace cryptonote
 
   bool get_block_longhash(const Blockchain *pbc, const blobdata& bd, crypto::hash& res, const uint64_t height, const int major_version, const crypto::hash *seed_hash, const int miners)
   {
-    crypto::hash hash;
     if (pbc != NULL)
     {
+      crypto::hash hash;
       const uint64_t seed_height = rx_seedheight(height);
       hash = seed_hash ? *seed_hash : pbc->get_pending_block_id_by_height(seed_height);
+      rx_slow_hash(hash.data, bd.data(), bd.size(), res.data);
     } else
     {
-      memset(&hash, 0, sizeof(hash));  // only happens when generating genesis block
+      // only happens when generating genesis block
+      // Hardcoded genesis for ios compat
+      const char* hex = "4ade63d5ccb8cfae075e8b882514c471f35da95f85dd1b20fdcd6f3a95caabc5";
+      char bytes[32];
+      for (int i = 0; i < 32; i++) {
+        char byte_str[3] = { hex[i * 2], hex[i * 2 + 1], '\0' };
+        bytes[i] = (char)strtol(byte_str, NULL, 16);
+      }
+      memcpy(res.data, bytes, sizeof(bytes));
     }
-    rx_slow_hash(hash.data, bd.data(), bd.size(), res.data);
     return true;
   }