diff --git a/src/cryptonote_config.h b/src/cryptonote_config.h
index 1a87922bc..b80e71d0d 100644
--- a/src/cryptonote_config.h
+++ b/src/cryptonote_config.h
@@ -90,7 +90,7 @@
 #define DIFFICULTY_BLOCKS_COUNT_V3                      DIFFICULTY_WINDOW_V3 + DIFFICULTY_LAG_V2
 #define DIFFICULTY_BLOCKS_COUNT_V2                      DIFFICULTY_WINDOW_V2 + 1 // added +1 to make N=N
 #define DIFFICULTY_BLOCKS_COUNT                         DIFFICULTY_WINDOW + DIFFICULTY_LAG
-#define DIFFICULTY_FORK_HEIGHT                          80969 // ~14 February 2019
+#define DIFFICULTY_FORK_HEIGHT                          81769 // ~14 February 2019
 #define DIFFICULTY_RESET                                10000000 // 10 million
 
 #define CRYPTONOTE_LOCKED_TX_ALLOWED_DELTA_SECONDS_V1   DIFFICULTY_TARGET_V1 * CRYPTONOTE_LOCKED_TX_ALLOWED_DELTA_BLOCKS
diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp
index 88b8d9103..68fca2572 100644
--- a/src/cryptonote_core/blockchain.cpp
+++ b/src/cryptonote_core/blockchain.cpp
@@ -91,8 +91,8 @@ static const struct {
  { 8, 6969, 0, 1524214739 },
  { 9, 53666, 0, 1538689773 },
  { 10, 63469, 0, 1541700352 },
- { 11, 80969, 0, 1549238400 },
- { 12, 81269, 0, 1549318761 },
+ { 11, 81769, 0, 1549238400 },
+ { 12, 82069, 0, 1549318761 },
 };
 
 static const struct {