diff --git a/modules/pool/subgraph-mapper.test.ts b/modules/pool/subgraph-mapper.test.ts
index 76a5fe62..8f8ccb38 100644
--- a/modules/pool/subgraph-mapper.test.ts
+++ b/modules/pool/subgraph-mapper.test.ts
@@ -1,7 +1,7 @@
-import { subgraphToPrisma } from './subgraph-mapper';
+import { subgraphToPrismaCreate } from './subgraph-mapper';
 import { poolFactory, poolTokenFactory } from '../../test/factories';
 
-describe('subgraphToPrisma', () => {
+describe('subgraphToPrismaCreate', () => {
     const weightedPool = poolFactory.build({
         poolType: 'Weighted',
     });
@@ -11,6 +11,11 @@ describe('subgraphToPrisma', () => {
         amp: '0.1',
     });
 
+    const oldStablePool = poolFactory.build({
+        poolType: 'StablePhantom',
+        amp: '0.1',
+    });
+
     const linearPool = poolFactory.build({
         poolType: 'Linear',
         wrappedIndex: 1,
@@ -34,38 +39,45 @@ describe('subgraphToPrisma', () => {
     });
 
     it('should return correct object for weighted pool', () => {
-        const result = subgraphToPrisma(weightedPool, 'MAINNET', 1, []);
+        const result = subgraphToPrismaCreate(weightedPool, 'MAINNET', 1, []);
         expect(result.data.type).toBe('WEIGHTED');
     });
 
     it('should return correct object for stable pool', () => {
-        const result = subgraphToPrisma(stablePool, 'MAINNET', 1, []);
+        const result = subgraphToPrismaCreate(stablePool, 'MAINNET', 1, []);
         expect(result.data.type).toBe('COMPOSABLE_STABLE');
         expect(result.data.stableDynamicData?.create.amp).toBe(stablePool.amp);
     });
 
+    it('should return correct object for old stable pool', () => {
+        const result = subgraphToPrismaCreate(oldStablePool, 'MAINNET', 1, []);
+        expect(result.data.type).toBe('COMPOSABLE_STABLE');
+        expect(result.data.version).toBe(0);
+        expect(result.data.stableDynamicData?.create.amp).toBe(oldStablePool.amp);
+    });
+
     it('should return correct object for linear pool', () => {
-        const result = subgraphToPrisma(linearPool, 'MAINNET', 1, []);
+        const result = subgraphToPrismaCreate(linearPool, 'MAINNET', 1, []);
         expect(result.data.type).toBe('LINEAR');
         expect(result.data.linearDynamicData?.create.upperTarget).toBe(linearPool.upperTarget);
         expect(result.data.linearData?.create.wrappedIndex).toBe(linearPool.wrappedIndex);
     });
 
     it('should return correct object for element pool', () => {
-        const result = subgraphToPrisma(elementPool, 'MAINNET', 1, []);
+        const result = subgraphToPrismaCreate(elementPool, 'MAINNET', 1, []);
         expect(result.data.type).toBe('ELEMENT');
         expect(result.data.elementData?.create.principalToken).toBe(elementPool.principalToken);
     });
 
     it('should return correct object for gyro pool', () => {
-        const result = subgraphToPrisma(gyroPool, 'MAINNET', 1, []);
+        const result = subgraphToPrismaCreate(gyroPool, 'MAINNET', 1, []);
         expect(result.data.type).toBe('GYROE');
         expect(result.data.gyroData?.create.alpha).toBe(gyroPool.alpha);
         expect(result.data.gyroData?.create.tauAlphaX).toBe(gyroPool.tauAlphaX);
     });
 
     it('should return correct object for fx pool', () => {
-        const result = subgraphToPrisma(fxPool, 'MAINNET', 1, []);
+        const result = subgraphToPrismaCreate(fxPool, 'MAINNET', 1, []);
         expect(result.data.type).toBe('FX');
         expect(result.data.data['alpha']).toBe(gyroPool.alpha);
     });
@@ -83,7 +95,7 @@ describe('subgraphToPrisma', () => {
         });
 
         it('should recognise nested pools', () => {
-            const result = subgraphToPrisma(poolWithNestedPools, 'MAINNET', 1, nestedPools);
+            const result = subgraphToPrismaCreate(poolWithNestedPools, 'MAINNET', 1, nestedPools);
             expect(result.data.type).toBe('COMPOSABLE_STABLE');
             expect(result.data.tokens.createMany.data[0].nestedPoolId).toBe(linearPool.id);
         });
diff --git a/modules/pool/subgraph-mapper.ts b/modules/pool/subgraph-mapper.ts
index 776ca57d..69b14381 100644
--- a/modules/pool/subgraph-mapper.ts
+++ b/modules/pool/subgraph-mapper.ts
@@ -150,7 +150,7 @@ const subgraphMapper = (
     nestedPools: { id: string; address: string }[],
 ) => {
     const type = mapSubgraphPoolTypeToPoolType(pool.poolType!);
-    const version = mapPoolTypeVersion(type, pool.poolTypeVersion!);
+    const version = mapPoolTypeVersion(pool.poolType!, pool.poolTypeVersion!);
 
     const base = {
         id: pool.id,