diff --git a/sysmocom-upload.sh b/sysmocom-upload.sh
index 472948838e..62a62ee3cb 100755
--- a/sysmocom-upload.sh
+++ b/sysmocom-upload.sh
@@ -1,4 +1,10 @@
 #!/bin/sh
+
+if [ `pwd` != '/home/vagrant/generic-poky/build' ]; then
+	echo "Must be called from the sysmoBTS build directory"
+	exit 0
+fi
+
 rsync --delete -avz tmp/deploy/ipk/    generic@sysmocom-downloads:sysmobts/201208-testing/ipk
 rsync --delete -avz tmp/deploy/images/ generic@sysmocom-downloads:sysmobts/201208-testing/images
 rsync --delete -avz tmp/deploy/tools/  generic@sysmocom-downloads:sysmobts/201208-testing/tools