diff --git a/fdroidserver/scanner.py b/fdroidserver/scanner.py
index d212d811..573df30d 100644
--- a/fdroidserver/scanner.py
+++ b/fdroidserver/scanner.py
@@ -816,9 +816,15 @@ def scan_source(build_dir, build=metadata.Build(), json_per_build=None):
                     )
 
             elif curfile in DEPFILE:
-                for lockfile in DEPFILE[curfile]:
-                    if os.path.isfile(os.path.join(root, lockfile)):
-                        break
+                d = root
+                while d.startswith(build_dir):
+                    for lockfile in DEPFILE[curfile]:
+                        if os.path.isfile(os.path.join(d, lockfile)):
+                            break
+                    else:
+                        d = os.path.dirname(d)
+                        continue
+                    break
                 else:
                     count += handleproblem(
                         _('dependency file without lock'),
diff --git a/tests/source-files/lockfile.test/pubspec.yaml b/tests/source-files/lockfile.test/flutter/.dart_tool/flutter_gen/pubspec.yaml
similarity index 100%
rename from tests/source-files/lockfile.test/pubspec.yaml
rename to tests/source-files/lockfile.test/flutter/.dart_tool/flutter_gen/pubspec.yaml
diff --git a/tests/source-files/lockfile.test/Cargo.lock b/tests/source-files/lockfile.test/flutter/pubspec.lock
similarity index 100%
rename from tests/source-files/lockfile.test/Cargo.lock
rename to tests/source-files/lockfile.test/flutter/pubspec.lock
diff --git a/tests/source-files/lockfile.test/Cargo.toml b/tests/source-files/lockfile.test/flutter/pubspec.yaml
similarity index 100%
rename from tests/source-files/lockfile.test/Cargo.toml
rename to tests/source-files/lockfile.test/flutter/pubspec.yaml
diff --git a/tests/source-files/lockfile.test/package.json b/tests/source-files/lockfile.test/javascript/package.json
similarity index 100%
rename from tests/source-files/lockfile.test/package.json
rename to tests/source-files/lockfile.test/javascript/package.json
diff --git a/tests/source-files/lockfile.test/yarn.lock b/tests/source-files/lockfile.test/javascript/yarn.lock
similarity index 100%
rename from tests/source-files/lockfile.test/yarn.lock
rename to tests/source-files/lockfile.test/javascript/yarn.lock
diff --git a/tests/source-files/lockfile.test/rust/subdir/Cargo.lock b/tests/source-files/lockfile.test/rust/subdir/Cargo.lock
new file mode 100644
index 00000000..e69de29b
diff --git a/tests/source-files/lockfile.test/rust/subdir/Cargo.toml b/tests/source-files/lockfile.test/rust/subdir/Cargo.toml
new file mode 100644
index 00000000..e69de29b
diff --git a/tests/source-files/lockfile.test/rust/subdir/subdir/subdir/Cargo.toml b/tests/source-files/lockfile.test/rust/subdir/subdir/subdir/Cargo.toml
new file mode 100644
index 00000000..e69de29b
diff --git a/tests/source-files/lockfile.test/rust/subdir2/Cargo.toml b/tests/source-files/lockfile.test/rust/subdir2/Cargo.toml
new file mode 100644
index 00000000..e69de29b