diff --git a/spartan/scripts/deploy_network.sh b/spartan/scripts/deploy_network.sh
index 676ae4d6e7e4..2973265afd68 100755
--- a/spartan/scripts/deploy_network.sh
+++ b/spartan/scripts/deploy_network.sh
@@ -521,7 +521,7 @@ VALIDATOR_HA_REPLICAS = ${VALIDATOR_HA_REPLICAS}
 SEQ_MIN_TX_PER_BLOCK = ${SEQ_MIN_TX_PER_BLOCK}
 SEQ_MAX_TX_PER_BLOCK = ${SEQ_MAX_TX_PER_BLOCK}
 SEQ_MAX_TX_PER_CHECKPOINT = ${SEQ_MAX_TX_PER_CHECKPOINT}
-SEQ_PER_BLOCK_ALLOCATION_MULTIPLIER = ${SEQ_PER_BLOCK_ALLOCATION_MULTIPLIER}
+SEQ_PER_BLOCK_ALLOCATION_MULTIPLIER = ${SEQ_PER_BLOCK_ALLOCATION_MULTIPLIER:-null}
 SEQ_BLOCK_DURATION_MS = ${SEQ_BLOCK_DURATION_MS:-null}
 SEQ_L1_PUBLISHING_TIME_ALLOWANCE_IN_SLOT = ${SEQ_L1_PUBLISHING_TIME_ALLOWANCE_IN_SLOT:-null}
 SEQ_BUILD_CHECKPOINT_IF_EMPTY = ${SEQ_BUILD_CHECKPOINT_IF_EMPTY:-null}