diff --git a/packages/objectloader2/src/types/functions.spec.ts b/packages/objectloader2/src/types/functions.spec.ts
index 3be9bf6da..f2a2a78fa 100644
--- a/packages/objectloader2/src/types/functions.spec.ts
+++ b/packages/objectloader2/src/types/functions.spec.ts
@@ -100,11 +100,15 @@ describe('take', () => {
   })
 })
 
-describe('getQueryParameter', () => {
+describe('getFeatureFlag', () => {
   describe('in a non-browser environment', () => {
     it('should return the default value', () => {
       expect(getFeatureFlag(ObjectLoader2Flags.USE_CACHE)).toBe('true')
     })
+
+    it('should return undefined when useDefault is false', () => {
+      expect(getFeatureFlag(ObjectLoader2Flags.USE_CACHE, false)).toBe(undefined)
+    })
   })
 
   describe('in a browser environment', () => {
@@ -137,5 +141,15 @@ describe('getQueryParameter', () => {
       mockWindow.location.search = ''
       expect(getFeatureFlag(ObjectLoader2Flags.DEBUG)).toBe('false')
     })
+
+    it('should return undefined if useDefault is false and parameter is not in URL', () => {
+      mockWindow.location.search = '?otherparam=value'
+      expect(getFeatureFlag(ObjectLoader2Flags.DEBUG, false)).toBe(undefined)
+    })
+
+    it('should still return the parameter value from URL when useDefault is false', () => {
+      mockWindow.location.search = '?debug=custom'
+      expect(getFeatureFlag(ObjectLoader2Flags.DEBUG, false)).toBe('custom')
+    })
   })
 })
diff --git a/packages/objectloader2/src/types/functions.ts b/packages/objectloader2/src/types/functions.ts
index 00709b6fa..1a2892c9d 100644
--- a/packages/objectloader2/src/types/functions.ts
+++ b/packages/objectloader2/src/types/functions.ts
@@ -60,14 +60,17 @@ const defaultValues: Record<ObjectLoader2Flags, string> = {
   [ObjectLoader2Flags.USE_CACHE]: 'true'
 }
 
-export function getFeatureFlag(paramName: ObjectLoader2Flags): string {
+export function getFeatureFlag(
+  paramName: ObjectLoader2Flags,
+  useDefault: boolean = true
+): string | undefined {
   // Check if the code is running in a browser environment 🌐
   const isBrowser =
     typeof window !== 'undefined' && typeof window.document !== 'undefined'
 
   if (!isBrowser) {
     // If in Node.js or another server environment, return the default
-    return defaultValues[paramName]
+    return useDefault ? defaultValues[paramName] : undefined
   }
 
   // In a browser, parse the query string
@@ -76,5 +79,5 @@ export function getFeatureFlag(paramName: ObjectLoader2Flags): string {
   // .get() returns the value, or null if it's not found.
   // The nullish coalescing operator (??) provides the default value
   // if the left-hand side is null or undefined.
-  return params.get(paramName) ?? defaultValues[paramName]
+  return params.get(paramName) ?? (useDefault ? defaultValues[paramName] : undefined)
 }
diff --git a/packages/viewer/src/modules/loaders/Speckle/SpeckleLoader.ts b/packages/viewer/src/modules/loaders/Speckle/SpeckleLoader.ts
index 89d082295..03a199986 100644
--- a/packages/viewer/src/modules/loaders/Speckle/SpeckleLoader.ts
+++ b/packages/viewer/src/modules/loaders/Speckle/SpeckleLoader.ts
@@ -192,7 +192,7 @@ export class SpeckleLoader extends Loader {
   }
 
   private progressListen(): void {
-    if (getFeatureFlag(ObjectLoader2Flags.DEBUG) !== 'true') {
+    if (getFeatureFlag(ObjectLoader2Flags.DEBUG, false) !== 'true') {
       return
     }