diff --git a/docker/docker-compose.yaml b/docker/docker-compose.yaml
index 2d100f21..df1718a1 100644
--- a/docker/docker-compose.yaml
+++ b/docker/docker-compose.yaml
@@ -1,6 +1,6 @@
 services:
   codex-node1:
-    image: status-im/codexsetup_multiarch:latest
+    image: status-im/codexsetup.slim:latest
     ports:
       - 8080:8080
     # Available environment variables:
@@ -22,5 +22,6 @@ services:
       # - ETH_PROVIDER=eth
       # - ETH_ACCOUNT=account
       # - ETH_DEPLOYMENT=deploy
+      # - SIMULATE_PROOF_FAILURES=0
 
 
diff --git a/docker/startCodex.sh b/docker/startCodex.sh
index 50a182ae..c67f7140 100644
--- a/docker/startCodex.sh
+++ b/docker/startCodex.sh
@@ -120,6 +120,10 @@ if [ -n "$ETH_PROVIDER" ] && [ -n "$ETH_ACCOUNT" ] && [ -n "$ETH_MARKETPLACE_ADD
     # Remove this as soon as CLI option is available:
     echo "{\"contracts\": { \"Marketplace\": { \"address\": \""$ETH_MARKETPLACE_ADDRESS"\" } } }" > /root/marketplace_address.json
     args="$args --eth-deployment=/root/marketplace_address.json"
+
+    if [ -n "$SIMULATE_PROOF_FAILURES" ]; then
+      args="$args --simulate-proof-failures=$SIMULATE_PROOF_FAILURES"
+    fi
 fi
 
 echo "./codex $args"