diff --git a/apps/edr-passenger-api/Dockerfile b/apps/edr-passenger-api/Dockerfile
index 2b0ee8041..a8dfcddfd 100644
--- a/apps/edr-passenger-api/Dockerfile
+++ b/apps/edr-passenger-api/Dockerfile
@@ -23,10 +23,12 @@ RUN pnpm turbo build --filter="@edr/passenger-api..."
 FROM base AS deployer
 COPY --from=builder /app/ .
 RUN pnpm deploy --filter="@edr/passenger-api" --legacy /deploy
-RUN if [ -d node_modules/.prisma ]; then \
-      mkdir -p /deploy/node_modules && \
-      cp -r node_modules/.prisma /deploy/node_modules/.prisma; \
-    fi
+# The generated Prisma client is NOT in the pnpm store (it's an output of
+# `prisma generate`), so `pnpm deploy` does not copy it into /deploy. Regenerate
+# it here so the runtime enum values imported from @prisma/client (Currency, …)
+# are real objects instead of undefined — otherwise @IsEnum(Currency) throws
+# "Cannot convert undefined or null to object" at module load.
+RUN cd /deploy && npm run prisma:generate
 
 # --- Migration image: built in CI, run as a one-shot `docker run --rm --env-file ...`
 # against the real DB, as its own gated step *before* the app image is built/deployed.