diff --git a/vulnerabilities/api_v3.py b/vulnerabilities/api_v3.py
index fb85966a6..e0e180509 100644
--- a/vulnerabilities/api_v3.py
+++ b/vulnerabilities/api_v3.py
@@ -761,11 +761,11 @@ def get_affected_advisories_bulk(packages, max_advisories, base_url, reachabilit
                     "exploitability": exploitability,
                     "risk_score": risk_score,
                     "fixed_by_packages": fixed_by_packages,
-                    "introduced_in_patch": introduced_patches_by_set.get(
+                    "introduced_in_patches": introduced_patches_by_set.get(
                         adv.id,
                         [],
                     ),
-                    "fixed_in_patch": fixed_patches_by_set.get(
+                    "fixed_in_patches": fixed_patches_by_set.get(
                         adv.id,
                         [],
                     ),
@@ -864,8 +864,8 @@ def get_affected_advisories_bulk(packages, max_advisories, base_url, reachabilit
                     "exploitability": advisory.exploitability,
                     "risk_score": advisory.risk_score,
                     "fixed_by_packages": fixed_by_packages,
-                    "introduced_in_patch": introduced_patches_by_set.get(advisory_id, []),
-                    "fixed_in_patch": introduced_patches_by_set.get(advisory_id, []),
+                    "introduced_in_patches": introduced_patches_by_set.get(advisory_id, []),
+                    "fixed_in_patches": introduced_patches_by_set.get(advisory_id, []),
                     "ssvc_trees": [
                         {
                             "vector": ssvc.vector,
diff --git a/vulnerabilities/tests/test_api_v3.py b/vulnerabilities/tests/test_api_v3.py
index c8bb7e31d..bde17af15 100644
--- a/vulnerabilities/tests/test_api_v3.py
+++ b/vulnerabilities/tests/test_api_v3.py
@@ -330,14 +330,14 @@ def test_packages_commit_patch(self):
         advisory_data = vulns[0]
 
         assert advisory_data["advisory_id"] == "AVID-123"
-        assert advisory_data["introduced_in_patch"] == [
+        assert advisory_data["introduced_in_patches"] == [
             {
                 "commit_hash": "06580c7f99c6fde7bcf18e30bdcc61f081430957",
                 "vcs_url": "https://github.com/aboutcode-org/sample",
             }
         ]
 
-        assert advisory_data["fixed_in_patch"] == [
+        assert advisory_data["fixed_in_patches"] == [
             {
                 "commit_hash": "98e516011d6e096e25247b82fc5f196bbeecff10",
                 "vcs_url": "https://github.com/aboutcode-org/sample",
@@ -450,7 +450,7 @@ def test_packages_commit_patch(self):
         assert {
             "commit_hash": "06580c7f99c6fde7bcf18e30bdcc61f081430957",
             "vcs_url": "https://github.com/aboutcode-org/sample",
-        } in advisory_data["introduced_in_patch"]
+        } in advisory_data["introduced_in_patches"]
 
     def test_advisory_set_member_patches_aggregation(self):
         url = reverse("package-v3-list")
@@ -472,10 +472,12 @@ def test_advisory_set_member_patches_aggregation(self):
         advisory_data = vulns[0]
         assert advisory_data["advisory_id"] == "AVID-123"
 
-        introduced_hashes = [patch["commit_hash"] for patch in advisory_data["introduced_in_patch"]]
+        introduced_hashes = [
+            patch["commit_hash"] for patch in advisory_data["introduced_in_patches"]
+        ]
         assert "06580c7f99c6fde7bcf18e30bdcc61f081430957" in introduced_hashes
         assert "98e516011d6e096e25247b82fc5f196bbeecff10" in introduced_hashes
 
-        fixed_hashes = [patch["commit_hash"] for patch in advisory_data["fixed_in_patch"]]
+        fixed_hashes = [patch["commit_hash"] for patch in advisory_data["fixed_in_patches"]]
         assert "98e516011d6e096e25247b82fc5f196bbeecff10" in fixed_hashes
         assert "2fc5f196bbeecff1098e516011d6e096e25247b8" in fixed_hashes