diff --git a/runtime/src/bank.rs b/runtime/src/bank.rs
index 645c220f9d268c..b374fd2594854a 100644
--- a/runtime/src/bank.rs
+++ b/runtime/src/bank.rs
@@ -1675,6 +1675,7 @@ mod tests {
                         / DEFAULT_TICKS_PER_SLOT,
                 ),
                 hashes_per_tick: None,
+                target_tick_count: None,
             },
 
             ..GenesisBlock::default()