diff --git a/docker/entrypoint.sh b/docker/entrypoint.sh
index 96de7af..bc9b58b 100644
--- a/docker/entrypoint.sh
+++ b/docker/entrypoint.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-/usr/bin/sleeper -dir ${SERVER_PATH:/data}
\ No newline at end of file
+/usr/bin/sleeper -dir ${SERVER_PATH:-/data}
\ No newline at end of file