diff --git a/src/controllers/api/rerollRandomModController.ts b/src/controllers/api/rerollRandomModController.ts
index 71bc8f1c..17253ded 100644
--- a/src/controllers/api/rerollRandomModController.ts
+++ b/src/controllers/api/rerollRandomModController.ts
@@ -2,8 +2,7 @@ import { RequestHandler } from "express";
 import { getAccountIdForRequest } from "@/src/services/loginService";
 import { addMiscItems, getInventory } from "@/src/services/inventoryService";
 import { getJSONfromString } from "@/src/helpers/stringHelpers";
-import { ExportUpgrades } from "warframe-public-export-plus";
-import { getRandomElement } from "@/src/services/rngService";
+import { IUnveiledRivenFingerprint, randomiseRivenStats } from "@/src/helpers/rivenFingerprintHelper";
 
 export const rerollRandomModController: RequestHandler = async (req, res) => {
     const accountId = await getAccountIdForRequest(req);
@@ -25,7 +24,7 @@ export const rerollRandomModController: RequestHandler = async (req, res) => {
         fingerprint.rerolls++;
         upgrade.UpgradeFingerprint = JSON.stringify(fingerprint);
 
-        randomiseStats(upgrade.ItemType, fingerprint);
+        randomiseRivenStats(upgrade.ItemType, fingerprint);
         upgrade.PendingRerollFingerprint = JSON.stringify(fingerprint);
 
         await inventory.save();
@@ -52,28 +51,6 @@ export const rerollRandomModController: RequestHandler = async (req, res) => {
     }
 };
 
-const randomiseStats = (randomModType: string, fingerprint: IUnveiledRivenFingerprint): void => {
-    const meta = ExportUpgrades[randomModType];
-
-    fingerprint.buffs = [];
-    const numBuffs = 2 + Math.trunc(Math.random() * 2); // 2 or 3
-    const buffEntries = meta.upgradeEntries!.filter(x => x.canBeBuff);
-    for (let i = 0; i != numBuffs; ++i) {
-        const buffIndex = Math.trunc(Math.random() * buffEntries.length);
-        const entry = buffEntries[buffIndex];
-        fingerprint.buffs.push({ Tag: entry.tag, Value: Math.trunc(Math.random() * 0x40000000) });
-        buffEntries.splice(buffIndex, 1);
-    }
-
-    fingerprint.curses = [];
-    if (Math.random() < 0.5) {
-        const entry = getRandomElement(
-            meta.upgradeEntries!.filter(x => x.canBeCurse && !fingerprint.buffs.find(y => y.Tag == x.tag))
-        );
-        fingerprint.curses.push({ Tag: entry.tag, Value: Math.trunc(Math.random() * 0x40000000) });
-    }
-};
-
 type RerollRandomModRequest = LetsGoGamblingRequest | AwDangitRequest;
 
 interface LetsGoGamblingRequest {
@@ -85,20 +62,4 @@ interface AwDangitRequest {
     CommitReroll: boolean;
 }
 
-interface IUnveiledRivenFingerprint {
-    compat: string;
-    lim: number;
-    lvl: number;
-    lvlReq: 0;
-    rerolls?: number;
-    pol: string;
-    buffs: IRivenStat[];
-    curses: IRivenStat[];
-}
-
-interface IRivenStat {
-    Tag: string;
-    Value: number;
-}
-
 const rerollCosts = [900, 1000, 1200, 1400, 1700, 2000, 2350, 2750, 3150];
diff --git a/src/helpers/rivenFingerprintHelper.ts b/src/helpers/rivenFingerprintHelper.ts
new file mode 100644
index 00000000..912b911c
--- /dev/null
+++ b/src/helpers/rivenFingerprintHelper.ts
@@ -0,0 +1,40 @@
+import { ExportUpgrades } from "warframe-public-export-plus";
+import { getRandomElement } from "../services/rngService";
+
+export interface IUnveiledRivenFingerprint {
+    compat: string;
+    lim: number;
+    lvl: number;
+    lvlReq: 0;
+    rerolls?: number;
+    pol: string;
+    buffs: IRivenStat[];
+    curses: IRivenStat[];
+}
+
+interface IRivenStat {
+    Tag: string;
+    Value: number;
+}
+
+export const randomiseRivenStats = (randomModType: string, fingerprint: IUnveiledRivenFingerprint): void => {
+    const meta = ExportUpgrades[randomModType];
+
+    fingerprint.buffs = [];
+    const numBuffs = 2 + Math.trunc(Math.random() * 2); // 2 or 3
+    const buffEntries = meta.upgradeEntries!.filter(x => x.canBeBuff);
+    for (let i = 0; i != numBuffs; ++i) {
+        const buffIndex = Math.trunc(Math.random() * buffEntries.length);
+        const entry = buffEntries[buffIndex];
+        fingerprint.buffs.push({ Tag: entry.tag, Value: Math.trunc(Math.random() * 0x40000000) });
+        buffEntries.splice(buffIndex, 1);
+    }
+
+    fingerprint.curses = [];
+    if (Math.random() < 0.5) {
+        const entry = getRandomElement(
+            meta.upgradeEntries!.filter(x => x.canBeCurse && !fingerprint.buffs.find(y => y.Tag == x.tag))
+        );
+        fingerprint.curses.push({ Tag: entry.tag, Value: Math.trunc(Math.random() * 0x40000000) });
+    }
+};