diff --git a/swh/loader/package/arch/loader.py b/swh/loader/package/arch/loader.py
--- a/swh/loader/package/arch/loader.py
+++ b/swh/loader/package/arch/loader.py
@@ -57,6 +57,7 @@
         storage: StorageInterface,
         url: str,
         artifacts: List[Dict[str, Any]],
+        arch_metadata: List[Dict[str, Any]],
         **kwargs,
     ):
 
@@ -65,6 +66,9 @@
         self.artifacts: Dict[str, Dict] = {
             artifact["version"]: artifact for artifact in artifacts
         }
+        self.arch_metadata: Dict[str, Dict] = {
+            metadata["version"]: metadata for metadata in arch_metadata
+        }
 
     def get_versions(self) -> Sequence[str]:
         """Get all released versions of an Arch Linux package
@@ -102,14 +106,15 @@
             Iterator of tuple (release_name, p_info)
         """
         artifact = self.artifacts[version]
-        assert version == artifact["version"]
+        metadata = self.arch_metadata[version]
+        assert version == artifact["version"] == metadata["version"]
 
         p_info = ArchPackageInfo(
-            name=artifact["name"],
+            name=metadata["name"],
             filename=artifact["filename"],
             url=artifact["url"],
             version=version,
-            last_modified=artifact["last_modified"],
+            last_modified=metadata["last_modified"],
         )
         yield release_name(version, artifact["filename"]), p_info
 
diff --git a/swh/loader/package/arch/tests/test_arch.py b/swh/loader/package/arch/tests/test_arch.py
--- a/swh/loader/package/arch/tests/test_arch.py
+++ b/swh/loader/package/arch/tests/test_arch.py
@@ -23,22 +23,30 @@
         "artifacts": [
             {
                 "url": "https://archive.archlinux.org/packages/d/dialog/dialog-1:1.3_20190211-1-x86_64.pkg.tar.xz",  # noqa: B950
+                "version": "1:1.3_20190211-1",
+                "length": 180000,
+                "filename": "dialog-1:1.3_20190211-1-x86_64.pkg.tar.xz",
+            },
+            {
+                "url": "https://archive.archlinux.org/packages/d/dialog/dialog-1:1.3_20220414-1-x86_64.pkg.tar.zst",  # noqa: B950
+                "version": "1:1.3_20220414-1",
+                "length": 198000,
+                "filename": "dialog-1:1.3_20220414-1-x86_64.pkg.tar.zst",
+            },
+        ],
+        "arch_metadata": [
+            {
                 "arch": "x86_64",
                 "repo": "core",
                 "name": "dialog",
                 "version": "1:1.3_20190211-1",
-                "length": 180000,
-                "filename": "dialog-1:1.3_20190211-1-x86_64.pkg.tar.xz",
                 "last_modified": "2019-02-13T08:36:00",
             },
             {
-                "url": "https://archive.archlinux.org/packages/d/dialog/dialog-1:1.3_20220414-1-x86_64.pkg.tar.zst",  # noqa: B950
                 "arch": "x86_64",
                 "repo": "core",
                 "name": "dialog",
                 "version": "1:1.3_20220414-1",
-                "length": 198000,
-                "filename": "dialog-1:1.3_20220414-1-x86_64.pkg.tar.zst",
                 "last_modified": "2022-04-16T03:59:00",
             },
         ],
@@ -48,12 +56,17 @@
         "artifacts": [
             {
                 "url": "https://uk.mirror.archlinuxarm.org/aarch64/core/gzip-1.12-1-aarch64.pkg.tar.xz",  # noqa: B950
+                "length": 79640,
+                "version": "1.12-1",
+                "filename": "gzip-1.12-1-aarch64.pkg.tar.xz",
+            }
+        ],
+        "arch_metadata": [
+            {
                 "arch": "aarch64",
                 "name": "gzip",
                 "repo": "core",
-                "length": 79640,
                 "version": "1.12-1",
-                "filename": "gzip-1.12-1-aarch64.pkg.tar.xz",
                 "last_modified": "2022-04-07T21:08:14",
             }
         ],
@@ -66,6 +79,7 @@
         swh_storage,
         url=EXPECTED_PACKAGES[0]["url"],
         artifacts=EXPECTED_PACKAGES[0]["artifacts"],
+        arch_metadata=EXPECTED_PACKAGES[0]["arch_metadata"],
     )
 
     assert loader.get_versions() == [
@@ -79,6 +93,7 @@
         swh_storage,
         url=EXPECTED_PACKAGES[0]["url"],
         artifacts=EXPECTED_PACKAGES[0]["artifacts"],
+        arch_metadata=EXPECTED_PACKAGES[0]["arch_metadata"],
     )
     assert loader.get_default_version() == "1:1.3_20220414-1"
 
@@ -88,6 +103,7 @@
         swh_storage,
         url=EXPECTED_PACKAGES[1]["url"],
         artifacts=EXPECTED_PACKAGES[1]["artifacts"],
+        arch_metadata=EXPECTED_PACKAGES[1]["arch_metadata"],
     )
     actual_load_status = loader.load()
     assert actual_load_status["status"] == "eventful"
@@ -154,6 +170,7 @@
         swh_storage,
         url=EXPECTED_PACKAGES[0]["url"],
         artifacts=EXPECTED_PACKAGES[0]["artifacts"],
+        arch_metadata=EXPECTED_PACKAGES[0]["arch_metadata"],
     )
     actual_load_status = loader.load()
     assert actual_load_status["status"] == "eventful"
@@ -215,11 +232,16 @@
             {
                 "filename": "42-0.0.1.pkg.xz",
                 "url": "https://mirror2.nowhere/pkg/42-0.0.1.pkg.xz",
+                "version": "0.0.1",
+                "length": 42,
+            },
+        ],
+        arch_metadata=[
+            {
                 "version": "0.0.1",
                 "arch": "aarch64",
                 "name": "42",
                 "repo": "community",
-                "length": 42,
                 "last_modified": "2022-04-07T21:08:14",
             },
         ],
diff --git a/swh/loader/package/arch/tests/test_tasks.py b/swh/loader/package/arch/tests/test_tasks.py
--- a/swh/loader/package/arch/tests/test_tasks.py
+++ b/swh/loader/package/arch/tests/test_tasks.py
@@ -19,10 +19,15 @@
                     "version": "0.0.1",
                     "url": "https://somewhere/some-package-0.0.1.pkg.xz",
                     "filename": "some-package-0.0.1.pkg.xz",
+                    "length": 42,
+                }
+            ],
+            arch_metadata=[
+                {
+                    "version": "0.0.1",
                     "arch": "aarch64",
                     "name": "some-package",
                     "repo": "community",
-                    "length": 42,
                     "last_modified": "1970-01-01T21:08:14",
                 }
             ],