diff --git a/Dockerfile b/Dockerfile
index 33f3fea..3258678 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -41,7 +41,7 @@ ENV WORLD_INDEX=0 \
 	WORLD_SEED=0 \
 	WORLD_MODE=0 \
 	GAME_ID="" \
-	DATA_PATH="" \
+	DATA_PATH="${STEAMAPPDATADIR}" \
 	MAX_PLAYERS=10 \
 	SEASON=-1 \
 	SERVER_IP="" \