Project finance aligns with Islamic finance principles by requiring tangible assets, risk-sharing, and ethical considerations. Both systems mandate comprehensive risk analysis and contractual arrangements. This study analyzes adapting Islamic ethical requirements in project finance contracts under French law, proposing a model to reconcile conflicting interests. Islamic finance's ethical framework poses unique challenges in deal execution, necessitating solutions to balance conflicting interests. The study addresses structural challenges independent of specific rules, highlighting the need for adaptation in a complex environment.