diff --git a/docs/releases/v2.4.2.md b/docs/releases/v2.4.2.md
index 720314211a7da50711b53b3fa14e5de65415340e..3a8b661233502ca153cbe5dc07ab84023e0398ee 100644
--- a/docs/releases/v2.4.2.md
+++ b/docs/releases/v2.4.2.md
@@ -3,3 +3,4 @@
 ## Bugfixes
 
 - fix template/parcellation selector vertical scroll on small devices
+- fix atlas order (human -> rat -> mouse)
diff --git a/src/util/pureConstant.service.ts b/src/util/pureConstant.service.ts
index f15f92263977965fadb64d168fcab5c81a9fd597..0e6a9bc9ebaf706e78bb28fb4e04274449cd09db 100644
--- a/src/util/pureConstant.service.ts
+++ b/src/util/pureConstant.service.ts
@@ -446,7 +446,7 @@ Raise/track issues at github repo: <a target = "_blank" href = "${this.repoUrl}"
     }),
     catchError((err, obs) => of([])),
     tap((arr: any[]) => this.totalAtlasesLength = arr.length),
-    scan((acc, curr) => acc.concat(curr).sort((a, b) => (a.order || 1001) - (b.order || 1000)), []),
+    scan((acc, curr) => acc.concat(curr).sort((a, b) => (a.order || 0) - (b.order || 0)), []),
     shareReplay(1)
   )