diff --git a/codemeta.json b/codemeta.json
index b951a6923..c52d81111 100644
--- a/codemeta.json
+++ b/codemeta.json
@@ -57,7 +57,7 @@
     ],
     "codeRepository": "git+https://github.com/fzj-inm1-bda/siibra-explorer.git",
     "dateCreated": "2024-08-28",
-    "dateModified": "2025-01-13",
+    "dateModified": "2025-01-17",
     "datePublished": "2019-04-26",
     "description": "`siibra-explorer` is a browser based 3D viewer for exploring brain atlases that cover different spatial resolutions and modalities. It is built around an interactive 3D view of the brain displaying a unique selection of detailed templates and parcellation maps for the human, macaque, rat or mouse brain, including BigBrain as a microscopic resolution human brain model at its full resolution of 20 micrometers. ",
     "license": "https://spdx.org/licenses/Apache-2.0",
@@ -66,7 +66,7 @@
         "python 3",
         "typescript"
     ],
-    "schema:releaseNotes": "# v2.14.16\n\n## Feature\n\n- allow position of substrate to be customized (#1479)\n- parse template `meta.json` endpoint, and use RBG color map when prompted\n- (experimental): added support to fetch `.dzi` transform\n- (experimental): added support for zarr(2) as data feature\n\n## Behind the scene\n\n- added prepare release to package.json script\n",
+    "schema:releaseNotes": "# v2.14.16\n\n## Feature\n\n- allow position of substrate to be customized (#1479)\n- parse template `meta.json` endpoint, and use RBG color map when prompted\n- (experimental): added support to fetch `.dzi` transform\n- (experimental): added support for zarr(2) as data feature\n\n## Bugfix\n\n- fix issue where repeated request for saneURL yield unstable behavior\n\n## Behind the scene\n\n- added prepare release to package.json script\n",
     "runtimePlatform": "docker",
     "version": "2.14.16",
     "contIntegration": "https://github.com/FZJ-INM1-BDA/siibra-explorer/actions",
diff --git a/docs/releases/v2.14.16.md b/docs/releases/v2.14.16.md
index 1f3f3b312..010bc1f43 100644
--- a/docs/releases/v2.14.16.md
+++ b/docs/releases/v2.14.16.md
@@ -7,6 +7,10 @@
 - (experimental): added support to fetch `.dzi` transform
 - (experimental): added support for zarr(2) as data feature
 
+## Bugfix
+
+- fix issue where repeated request for saneURL yield unstable behavior
+
 ## Behind the scene
 
 - added prepare release to package.json script
diff --git a/package.json b/package.json
index 229a32d34..140a87faa 100644
--- a/package.json
+++ b/package.json
@@ -63,4 +63,4 @@
     "tslib": "^2.3.0",
     "zone.js": "^0.13.3"
   }
-}
+}
\ No newline at end of file
diff --git a/src/util/priority.ts b/src/util/priority.ts
index 03e99d3b5..6705bdc53 100644
--- a/src/util/priority.ts
+++ b/src/util/priority.ts
@@ -22,6 +22,12 @@ type Queue = {
   next: HttpHandler
 }
 
+class SxplrHttpError extends Error {
+  constructor(message: string, public status: number){
+    super(message)
+  }
+}
+
 @Injectable({
   providedIn: 'root'
 })
@@ -109,8 +115,8 @@ export class PriorityHttpInterceptor implements HttpInterceptor{
           })
         }
         if (val instanceof HttpErrorResponse) {
-          const error = new Error(
-            PriorityHttpInterceptor.ErrorToString(val)
+          const error = new SxplrHttpError(
+            PriorityHttpInterceptor.ErrorToString(val), val.status
           )
           this.archive.set(urlWithParams, error)
           this.error$.next({
@@ -151,6 +157,13 @@ export class PriorityHttpInterceptor implements HttpInterceptor{
     const { urlWithParams } = req
     const archive = this.archive.get(urlWithParams)
     if (archive) {
+      if (archive instanceof SxplrHttpError) {
+        return throwError({
+          urlWithParams,
+          error: archive,
+          status: archive.status
+        })
+      }
       if (archive instanceof Error) {
         return throwError({
           urlWithParams,