diff --git a/config/fixturenet-optimism/optimism-contracts/deploy-contracts.sh b/config/fixturenet-optimism/optimism-contracts/deploy-contracts.sh
index 25afe2a..b6ff867 100755
--- a/config/fixturenet-optimism/optimism-contracts/deploy-contracts.sh
+++ b/config/fixturenet-optimism/optimism-contracts/deploy-contracts.sh
@@ -128,6 +128,7 @@ L1_CHAIN_ID=$CERC_L1_CHAIN_ID \
 L2_CHAIN_ID=42069 \
 L1_BLOCK_TIME=${CERC_L1_BLOCK_TIME:-$DEFAULT_CERC_L1_BLOCK_TIME} \
 L2_BLOCK_TIME=${CERC_L2_BLOCK_TIME:-$DEFAULT_CERC_L2_BLOCK_TIME} \
+GRANITE_TIME_OFFSET=None \
 $config_build_script
 
 echo "Writing deployment config."