diff --git a/crates/ethcore/res/chainspec/foundation.json b/crates/ethcore/res/chainspec/foundation.json
index 8be66e510..61ff09320 100644
--- a/crates/ethcore/res/chainspec/foundation.json
+++ b/crates/ethcore/res/chainspec/foundation.json
@@ -138,7 +138,8 @@
 					"0x42ae50": "0x2dc6c0",
 					"0x6f1580": "0x1e8480",
 					"0x8c6180": "0x3d0900",
-					"0xc5d488": "0xaae60"
+					"0xc5d488": "0xaae60",
+					"0xd228c8": "0xf4240"
 				}
 			}
 		}
diff --git a/crates/ethcore/sync/src/chain/fork_filter.rs b/crates/ethcore/sync/src/chain/fork_filter.rs
index 6a30ad8f8..c72c06efd 100644
--- a/crates/ethcore/sync/src/chain/fork_filter.rs
+++ b/crates/ethcore/sync/src/chain/fork_filter.rs
@@ -86,7 +86,7 @@ mod tests {
             || ethereum::new_foundation(&String::new()),
             vec![
                 1_150_000, 1_920_000, 2_463_000, 2_675_000, 4_370_000, 7_280_000, 9_069_000,
-                9_200_000, 12_244_000, 12_965_000,
+                9_200_000, 12_244_000, 12_965_000, 13_773_000,
             ],
         )
     }