diff --git a/bin/px-cloud-build-install b/bin/px-cloud-build-install
index 42e0038..e634b27 100755
--- a/bin/px-cloud-build-install
+++ b/bin/px-cloud-build-install
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-MAGENTO_ROOT="$(cd "$(dirname "$0")/../.." && pwd)"
+MAGENTO_ROOT=${0%/vendor/*}
 MAGENTO_ROOT_DIR_NAME="$(basename $MAGENTO_ROOT)"
 INSTALL_DIR=$MAGENTO_ROOT
 INSTALL_DIR_SUFFIX="/dev"
diff --git a/composer.json b/composer.json
index fd7af51..98d24fd 100644
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
     "name": "phoenix-media/magento2-cloud-build",
     "description": "Dockerfile, configurations and scripts to build Magento2 Docker images.",
     "type": "library",
-    "version": "1.0.30",
+    "version": "1.0.31",
     "license": [
         "OSL-3.0"
     ],