diff --git a/src/chasers/chaser_block.cpp b/src/chasers/chaser_block.cpp
index 99336779..b9727901 100644
--- a/src/chasers/chaser_block.cpp
+++ b/src/chasers/chaser_block.cpp
@@ -95,6 +95,11 @@ code chaser_block::validate(const block& block,
     if ((ec = header.check(
         setting.timestamp_limit_seconds,
         setting.proof_of_work_limit,
+        state.height(),
+        state.timestamp(),
+        state.previous_block_timestamp(),
+        setting.retargeting_interval(),
+        setting.forks.bip94,
         setting.forks.scrypt_proof_of_work)))
         return ec;
 
diff --git a/src/chasers/chaser_header.cpp b/src/chasers/chaser_header.cpp
index 0b0da56c..be30203a 100644
--- a/src/chasers/chaser_header.cpp
+++ b/src/chasers/chaser_header.cpp
@@ -95,6 +95,11 @@ code chaser_header::validate(const header& header,
     if (const auto ec = header.check(
         settings().timestamp_limit_seconds,
         settings().proof_of_work_limit,
+        state.height(),
+        state.timestamp(),
+        state.previous_block_timestamp(),
+        settings().retargeting_interval(),
+        settings().forks.bip94,
         settings().forks.scrypt_proof_of_work))
         return ec;
 
@@ -242,4 +247,4 @@ BC_POP_WARNING()
 // Minimum block versions (bip90 disabled).
 // Minimum block version [1] changed to [2] at [227931:000000000000024b89b42a942fe0d9fea3bb44ab7bd1b19115dd6a759c0808b8]
 // Minimum block version [2] changed to [3] at [363725:00000000000000000379eaa19dce8c9b722d46ae6a57c2f1a988119488b50931]
-// Minimum block version [3] changed to [4] at [388381:000000000000000004c2b624ed5d7756c508d90fd0da2c7c679febfa6c4735f0]
\ No newline at end of file
+// Minimum block version [3] changed to [4] at [388381:000000000000000004c2b624ed5d7756c508d90fd0da2c7c679febfa6c4735f0]