diff --git a/apps/scandic-web/constants/membershipLevels.ts b/apps/scandic-web/constants/membershipLevels.ts
index 8883c7bf3..e238bbd2e 100644
--- a/apps/scandic-web/constants/membershipLevels.ts
+++ b/apps/scandic-web/constants/membershipLevels.ts
@@ -1,5 +1,15 @@
 import type { EurobonusTier } from "@/types/user"
 
+export const FriendsMembershipLevels = [
+  "L1",
+  "L2",
+  "L3",
+  "L4",
+  "L5",
+  "L6",
+  "L7",
+] as const
+
 export enum membershipLevels {
   L1 = 1,
   L2 = 2,
diff --git a/apps/scandic-web/server/routers/partners/sas/performLevelUpgrade.ts b/apps/scandic-web/server/routers/partners/sas/performLevelUpgrade.ts
index fea75fb27..128fe56c2 100644
--- a/apps/scandic-web/server/routers/partners/sas/performLevelUpgrade.ts
+++ b/apps/scandic-web/server/routers/partners/sas/performLevelUpgrade.ts
@@ -2,10 +2,14 @@ import * as Sentry from "@sentry/nextjs"
 import { cookies } from "next/headers"
 import { z } from "zod"
 
+import { FriendsMembershipLevels } from "@/constants/membershipLevels"
 import * as api from "@/lib/api"
 import { protectedProcedure } from "@/server/trpc"
 
 import { getUserSchema } from "../../user/output"
+import { getVerifiedUser } from "../../user/utils"
+
+import type { FriendsTier } from "@/types/user"
 
 const matchedSchema = z.object({
   tierMatchState: z.enum(["matched"]),
@@ -26,6 +30,12 @@ export const performLevelUpgrade = protectedProcedure
       return { tierMatchState: "cached" }
     }
 
+    const profile = await getVerifiedUser({ session: ctx.session })
+    if (!profile || "error" in profile || !profile.data.membership) {
+      return { tierMatchState: "error" }
+    }
+    const currentLevel = profile.data.membership.membershipLevel
+
     console.log("[SAS] tier match started")
 
     const apiResponse = await api.post(api.endpoints.v1.Profile.matchTier, {
@@ -43,8 +53,8 @@ export const performLevelUpgrade = protectedProcedure
       httpOnly: true,
     })
 
-    const boosted = apiResponse.status === 200
-    if (boosted) {
+    const updated = apiResponse.status === 200
+    if (updated) {
       console.log("[SAS] tier match complete - boosted")
       const result = await apiResponse.json()
       const user = getUserSchema.parse(result)
@@ -57,8 +67,12 @@ export const performLevelUpgrade = protectedProcedure
         return { tierMatchState: "error" }
       }
 
-      const afterLevel = user.membership.membershipLevel
-      return { tierMatchState: "matched", toLevel: afterLevel }
+      const newLevel = user.membership.membershipLevel
+
+      if (isHigherLevel(newLevel, currentLevel)) {
+        return { tierMatchState: "matched", toLevel: newLevel }
+      }
+      return { tierMatchState: "alreadyMatched" }
     }
 
     const matchedNoChange = apiResponse.status === 204
@@ -81,3 +95,12 @@ export const performLevelUpgrade = protectedProcedure
     Sentry.captureException(new Error(tierMatchErrorMessage))
     return { tierMatchState: "error" }
   })
+
+function isHigherLevel(
+  newLevel: FriendsTier,
+  currentLevel: FriendsTier
+): boolean {
+  const currentIndex = FriendsMembershipLevels.indexOf(currentLevel)
+  const newIndex = FriendsMembershipLevels.indexOf(newLevel)
+  return newIndex > currentIndex
+}
diff --git a/apps/scandic-web/types/user.ts b/apps/scandic-web/types/user.ts
index 052db1a5b..be06d7118 100644
--- a/apps/scandic-web/types/user.ts
+++ b/apps/scandic-web/types/user.ts
@@ -29,3 +29,4 @@ export type EurobonusMembership = z.output<typeof sasMembershipSchema>
 export type FriendsMembership = ReturnType<typeof getFriendsMembership>
 
 export type EurobonusTier = EurobonusMembership["tier"]
+export type FriendsTier = NativeFriendsMembership["tier"]