Fix crash in embedded mode

[footka]

Environment

(Required) Please provide the output of bin/observer -V. If this test also involves a version change for obproxy, please also provide the output of obproxy -V.

Mapping of the "Target Branch" and "Iteration" attributes on the right side:

• Is this a temporary version provided by RD?: No / xxx temporary provision
• Reproducibility: Consistent / Intermittent / Uncertain / Other