diff --git a/docker/client/entrypoint.sh b/docker/client/entrypoint.sh
index ae425f5..dbd46e5 100644
--- a/docker/client/entrypoint.sh
+++ b/docker/client/entrypoint.sh
@@ -54,7 +54,7 @@ if [ -n "$ZERO_GAS_TX_POOL" ]; then
   START_COMMAND="$START_COMMAND --zero-gas-tx-pool $ZERO_GAS_TX_POOL"
 fi
 
-if [ -n "$ZERO_GAS_TX_POOL_TIMEOUT"]; then
+if [ -n "$ZERO_GAS_TX_POOL_TIMEOUT" ]; then
   START_COMMAND="$START_COMMAND --zero-gas-tx-pool-timeout $ZERO_GAS_TX_POOL_TIMEOUT"
 fi