diff --git a/apps/studio/components/interfaces/ProjectCreation/ProjectCreation.utils.ts b/apps/studio/components/interfaces/ProjectCreation/ProjectCreation.utils.ts
index bb50ce2527c..35f51a1f92e 100644
--- a/apps/studio/components/interfaces/ProjectCreation/ProjectCreation.utils.ts
+++ b/apps/studio/components/interfaces/ProjectCreation/ProjectCreation.utils.ts
@@ -4,8 +4,7 @@ import { pluckObjectFields } from 'lib/helpers'
 export function getAvailableRegions(cloudProvider: CloudProvider): Region {
   if (cloudProvider === 'AWS') {
     return process.env.NEXT_PUBLIC_ENVIRONMENT === 'staging'
-      ? // [Joshen] TEMP FIX, CHANGE BACK TO APSE1
-        pluckObjectFields(AWS_REGIONS, ['NORTHEAST_ASIA'])
+      ? pluckObjectFields(AWS_REGIONS, ['SOUTHEAST_ASIA'])
       : AWS_REGIONS
   } else if (cloudProvider === 'FLY') {
     return FLY_REGIONS
diff --git a/apps/studio/components/interfaces/ProjectCreation/RegionSelector.tsx b/apps/studio/components/interfaces/ProjectCreation/RegionSelector.tsx
index b5a1d05cf31..e82d80bdb14 100644
--- a/apps/studio/components/interfaces/ProjectCreation/RegionSelector.tsx
+++ b/apps/studio/components/interfaces/ProjectCreation/RegionSelector.tsx
@@ -31,8 +31,10 @@ export const RegionSelector = ({
   useEffect(() => {
     // only pick a region if one hasn't already been selected
     if (isSuccess && region && !selectedRegion) {
-      // [Joshen] TEMP FIX, CHANGE BACK TO APSE1
-      if (region !== 'Singapore') onSelectRegion(region)
+      // [Joshen] TEMP FIX BLOCK APSE 1 ON PROD
+      if (process.env.NEXT_PUBLIC_ENVIRONMENT === 'prod' && region === 'Southeast Asia (Singapore)')
+        return
+      onSelectRegion(region)
     } else if (isError && !selectedRegion) {
       // if an error happened, and the user haven't selected a region, just select the default one for him
       onSelectRegion(PROVIDERS[cloudProvider].default_region)
diff --git a/apps/studio/components/interfaces/Settings/Infrastructure/InfrastructureConfiguration/InstanceConfiguration.constants.ts b/apps/studio/components/interfaces/Settings/Infrastructure/InfrastructureConfiguration/InstanceConfiguration.constants.ts
index f4f48491cb6..bebc7fd92fd 100644
--- a/apps/studio/components/interfaces/Settings/Infrastructure/InfrastructureConfiguration/InstanceConfiguration.constants.ts
+++ b/apps/studio/components/interfaces/Settings/Infrastructure/InfrastructureConfiguration/InstanceConfiguration.constants.ts
@@ -54,7 +54,8 @@ export const AVAILABLE_REPLICA_REGIONS: Region[] = Object.keys(AWS_REGIONS)
   .map((key) => {
     return {
       key: key as AWS_REGIONS_KEYS,
-      name: AWS_REGIONS[key as AWS_REGIONS_KEYS],
+      // [Joshen] TEMP FIX BLOCK APSE 1 ON PROD, remove ternary
+      name: AWS_REGIONS?.[key as AWS_REGIONS_KEYS] ?? '',
       region: AWS_REGIONS_VALUES[key],
       coordinates: AWS_REGIONS_COORDINATES[key],
     }
diff --git a/apps/studio/lib/constants/infrastructure.ts b/apps/studio/lib/constants/infrastructure.ts
index 86338742253..6a795b2ff01 100644
--- a/apps/studio/lib/constants/infrastructure.ts
+++ b/apps/studio/lib/constants/infrastructure.ts
@@ -17,8 +17,10 @@ export const AWS_REGIONS = {
   // 'North EU': 'North EU',
   CENTRAL_EU: 'Central EU (Frankfurt)',
   SOUTH_ASIA: 'South Asia (Mumbai)',
-  // [Joshen] Temp block apse1 for prod
-  // SOUTHEAST_ASIA: 'Southeast Asia (Singapore)'
+  // [Joshen] TEMP FIX BLOCK APSE 1 ON PROD
+  ...(process.env.NEXT_PUBLIC_ENVIRONMENT !== 'prod'
+    ? { SOUTHEAST_ASIA: 'Southeast Asia (Singapore)' }
+    : {}),
   NORTHEAST_ASIA: 'Northeast Asia (Tokyo)',
   NORTHEAST_ASIA_2: 'Northeast Asia (Seoul)',
   OCEANIA: 'Oceania (Sydney)',
@@ -32,9 +34,11 @@ export const FLY_REGIONS = {
   SOUTHEAST_ASIA: 'Singapore',
 } as const
 
-// [Joshen] TEMP FIX, CHANGE BACK TO APSE1
+// [Joshen] TEMP FIX BLOCK APSE 1 ON PROD, remove as string
 export const AWS_REGIONS_DEFAULT =
-  process.env.NEXT_PUBLIC_ENVIRONMENT !== 'prod' ? AWS_REGIONS.NORTHEAST_ASIA : AWS_REGIONS.WEST_US
+  process.env.NEXT_PUBLIC_ENVIRONMENT !== 'prod'
+    ? (AWS_REGIONS.SOUTHEAST_ASIA as string)
+    : AWS_REGIONS.WEST_US
 
 // TO DO, change default to US region for prod
 const FLY_REGIONS_DEFAULT = FLY_REGIONS.SOUTHEAST_ASIA