diff --git a/apollo/db/serialize/__init__.py b/apollo/db/serialize/__init__.py
index 0b9cb06..d2db626 100644
--- a/apollo/db/serialize/__init__.py
+++ b/apollo/db/serialize/__init__.py
@@ -72,6 +72,10 @@ class Advisory_Pydantic_V2_Fix(BaseModel):
     description: str
 
 
+class Advisory_Pydantic_V2_RPM(BaseModel):
+    nevra: str
+
+
 class Advisory_Pydantic_V2_CVE(BaseModel):
     name: str
     sourceBy: str
diff --git a/apollo/server/routes/api_compat.py b/apollo/server/routes/api_compat.py
index fb5d2c5..74b75b2 100644
--- a/apollo/server/routes/api_compat.py
+++ b/apollo/server/routes/api_compat.py
@@ -20,7 +20,7 @@ from pydantic import BaseModel
 from rssgen.feed import RssGenerator
 
 from apollo.db import Advisory, RedHatIndexState
-from apollo.db.serialize import Advisory_Pydantic_V2, Advisory_Pydantic_V2_CVE, Advisory_Pydantic_V2_Fix
+from apollo.db.serialize import Advisory_Pydantic_V2, Advisory_Pydantic_V2_CVE, Advisory_Pydantic_V2_Fix, Advisory_Pydantic_V2_RPM
 from apollo.server.settings import UI_URL, COMPANY_NAME, MANAGING_EDITOR, get_setting
 
 from common.fastapi import RenderErrorTemplateException
@@ -129,7 +129,12 @@ def v3_advisory_to_v2(
             name = f"{pkg.supported_product.variant} {pkg.supported_products_rh_mirror.match_major_version}"
             if name not in rpms:
                 rpms[name] = []
-            rpms[name].append(pkg.nevra)
+            if pkg.nevra not in rpms[name]:
+                rpms[name].append(pkg.nevra)
+
+    rpms_res = {}
+    for product, rpms in rpms.items():
+        rpms_res[product] = [Advisory_Pydantic_V2_RPM(nevra=x) for x in rpms]
 
     published_at = advisory.published_at.isoformat("T"
                                                   ).replace("+00:00", "") + "Z"