diff --git a/backend/Dockerfile.test-rust b/backend/Dockerfile.test-rust
index 9c8dfcf..b01ecc7 100644
--- a/backend/Dockerfile.test-rust
+++ b/backend/Dockerfile.test-rust
@@ -27,6 +27,6 @@ RUN cargo test --workspace --locked --no-run
 
 # Runner: minimal runtime for test execution
 FROM base AS runner
-COPY --from=test-build /app/target /app/target
+COPY --from=test-build /app /app
 WORKDIR /app
 CMD ["cargo", "test", "--workspace", "--locked", "--", "--test-threads=1"]
\ No newline at end of file