diff --git a/Makefile b/Makefile
index 4f56948..05c44bb 100644
--- a/Makefile
+++ b/Makefile
@@ -14,6 +14,7 @@ build: kill
 run: kill
 	docker run \
 		--name sneak-steemd \
+		-e STEEMD_MINING_THREADS=$(STEEMD_MINING_THREADS) \
 		-e STEEMD_WITNESS_NAME=$(STEEMD_WITNESS_NAME) \
 		-e STEEMD_MINER_NAME=$(STEEMD_MINER_NAME) \
 		-e STEEMD_PRIVATE_KEY=$(STEEMD_PRIVATE_KEY) \
diff --git a/steemd.run b/steemd.run
index 54326ac..8eb55e6 100644
--- a/steemd.run
+++ b/steemd.run
@@ -18,10 +18,20 @@ SEED_NODES="
     seed.steemwitness.com:2001
     steem-seed1.abit-more.com:2001
 "
+
 ARGS=""
-for NODE in $SEED_NODES ; do
-  ARGS+=" --seed-node=$NODE"
-done
+
+if [[ -z "$STEEMD_SEED_NODES" ]]; then
+    for NODE in $SEED_NODES ; do
+        ARGS+=" --seed-node=$NODE"
+    done
+fi
+
+if [[ ! -z "$STEEMD_SEED_NODES" ]]; then
+    for NODE in $STEEMD_SEED_NODES ; do
+        ARGS+=" --seed-node=$NODE"
+    done
+fi
 
 if [[ ! -z "$STEEMD_WITNESS_NAME" ]]; then
     ARGS+=" --witness=\"$STEEMD_WITNESS_NAME\""
@@ -29,14 +39,13 @@ fi
 
 if [[ ! -z "$STEEMD_MINER_NAME" ]]; then
     ARGS+=" --miner=[\"$STEEMD_MINER_NAME\",\"$STEEMD_PRIVATE_KEY\"]"
+    ARGS+=" --mining-threads=${STEEMD_MINING_THREADS:-8}"
 fi
 
 if [[ ! -z "$STEEMD_PRIVATE_KEY" ]]; then
     ARGS+=" --private-key=$STEEMD_PRIVATE_KEY"
 fi
 
-ARGS+=" --mining-threads=${STEEMD_MINING_THREADS:-8}"
-
 # without --data-dir it uses cwd as datadir(!)
 # who knows what else it dumps into current dir
 cd $HOME