diff --git a/examples/source-to-image/assemble b/examples/source-to-image/assemble
index f3484bfe..2c80b679 100755
--- a/examples/source-to-image/assemble
+++ b/examples/source-to-image/assemble
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -x
+
 set -eo pipefail
 
 # Copy injected files to correct place in 'work' directory.