diff --git a/setup/setup_docker.sh b/setup/setup_docker.sh
index 021c7c7..b8f5aaf 100755
--- a/setup/setup_docker.sh
+++ b/setup/setup_docker.sh
@@ -1,6 +1,6 @@
 #!/bin/bash -e
 
-same_dir=$(cd "${BASH_SOURCE[0]}" && pwd)
+same_dir=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 
 #case "$(lsb_release -sc)" in
 #"xenial" | "yakkety" | "zesty")