diff --git a/geth/geth-entrypoint b/geth/geth-entrypoint
index 8d09e4f1..eb4512dd 100755
--- a/geth/geth-entrypoint
+++ b/geth/geth-entrypoint
@@ -2,7 +2,7 @@
 set -eu
 
 VERBOSITY=${GETH_VERBOSITY:-3}
-GETH_DATA_DIR=/data
+GETH_DATA_DIR=${GETH_DATA_DIR:-/data}
 RPC_PORT="${RPC_PORT:-8545}"
 WS_PORT="${WS_PORT:-8546}"
 AUTHRPC_PORT="${AUTHRPC_PORT:-8551}"