diff --git a/packages/scraper/src/scrapers/community-issues.ts b/packages/scraper/src/scrapers/community-issues.ts
index 7869a1e..c129ba3 100644
--- a/packages/scraper/src/scrapers/community-issues.ts
+++ b/packages/scraper/src/scrapers/community-issues.ts
@@ -403,14 +403,29 @@ export async function findAndSeedDatasheetLinks(limit = 50): Promise<void> {
 // Scrape transceiver-specific issues per switch (switch + transceiver combos)
 // ─────────────────────────────────────────────────────────────────────────────
 export async function scrapeTransceiverCompatIssues(switchLimit = 20): Promise<void> {
-  // Get switches that have compatibility entries — search for their transceiver issues
+  // Prefer switches with known compatibility entries; fall back to switches with port_config
   const result = await pool.query<{ switch_model: string; form_factors: string[] }>(
     `SELECT sw.model AS switch_model,
-            ARRAY_AGG(DISTINCT t.form_factor) AS form_factors
+            COALESCE(
+              ARRAY_AGG(DISTINCT t.form_factor) FILTER (WHERE t.form_factor IS NOT NULL),
+              -- Fall back: extract form factors from ports_config keys
+              ARRAY(SELECT DISTINCT
+                CASE
+                  WHEN k LIKE '%QSFP-DD%' THEN 'QSFP-DD'
+                  WHEN k LIKE '%QSFP28%'  THEN 'QSFP28'
+                  WHEN k LIKE '%QSFP%'    THEN 'QSFP+'
+                  WHEN k LIKE '%SFP28%'   THEN 'SFP28'
+                  WHEN k LIKE '%SFP%'     THEN 'SFP+'
+                  WHEN k LIKE '%OSFP%'    THEN 'OSFP'
+                END
+                FROM jsonb_object_keys(sw.ports_config) AS k
+                WHERE sw.ports_config IS NOT NULL
+              )
+            ) AS form_factors
      FROM switches sw
-     JOIN compatibility c ON c.switch_id = sw.id
-     JOIN transceivers t ON c.transceiver_id = t.id
-     GROUP BY sw.model
+     LEFT JOIN compatibility c ON c.switch_id = sw.id
+     LEFT JOIN transceivers t ON c.transceiver_id = t.id
+     GROUP BY sw.model, sw.ports_config
      ORDER BY COUNT(c.id) DESC
      LIMIT $1`,
     [switchLimit],