diff --git a/server/helpers/custom-validators/misc.ts b/server/helpers/custom-validators/misc.ts
index 3dc5504e3..b3ab3ac64 100644
--- a/server/helpers/custom-validators/misc.ts
+++ b/server/helpers/custom-validators/misc.ts
@@ -103,7 +103,13 @@ function checkMimetypeRegex (fileMimeType: string, mimeTypeRegex: string) {
 // ---------------------------------------------------------------------------
 
 function toCompleteUUID (value: string) {
-  if (isShortUUID(value)) return shortToUUID(value)
+  if (isShortUUID(value)) {
+    try {
+      return shortToUUID(value)
+    } catch {
+      return null
+    }
+  }
 
   return value
 }