diff --git a/stack_orchestrator/data/container-build/cerc-fixturenet-eth-geth/run-el.sh b/stack_orchestrator/data/container-build/cerc-fixturenet-eth-geth/run-el.sh
index 7fcc6814..f84befd7 100755
--- a/stack_orchestrator/data/container-build/cerc-fixturenet-eth-geth/run-el.sh
+++ b/stack_orchestrator/data/container-build/cerc-fixturenet-eth-geth/run-el.sh
@@ -102,6 +102,13 @@ else
       fi
     fi
 
+    OTHER_OPTS=""
+    # miner options were removed in v1.12
+    GETH_VERSION=$(geth --version | grep -io '[0-9][0-9a-z.-]*')
+    if echo -e "$GETH_VERSION\n1.12" | sort -Vc; then
+      OTHER_OPTS="--miner.threads=1"
+    fi
+
     $START_CMD \
       --datadir="${CERC_ETH_DATADIR}" \
       --bootnodes="${ENODE}" \
@@ -126,12 +133,12 @@ else
       --cache.preimages \
       --syncmode=full \
       --mine \
-      --miner.threads=1 \
       --metrics \
       --metrics.addr="0.0.0.0" \
       --verbosity=${CERC_GETH_VERBOSITY:-3} \
       --log.vmodule="${CERC_GETH_VMODULE:-statediff/*=5}" \
       --miner.etherbase="${ETHERBASE}" \
+      ${OTHER_OPTS} \
       ${STATEDIFF_OPTS} \
       &