diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4533b4f..5fe878b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+### Fixed
+
+- `isDelivered` function returns `false` when is not possible to tell whether an invoice is `input` or `output`.
+
 ## [1.7.0] - 2023-06-01
 
 ### Fixed
diff --git a/react/components/ProgressBar/getOrderProgress.ts b/react/components/ProgressBar/getOrderProgress.ts
index 7fe2a55..1235f82 100644
--- a/react/components/ProgressBar/getOrderProgress.ts
+++ b/react/components/ProgressBar/getOrderProgress.ts
@@ -51,6 +51,7 @@ function isCarrierHandling(packages: any) {
 export default function getOrderProgress(status: string, packages: any) {
   let progress = statusMap[status]
   const isPickup = isOrderPickUp(packages)
+
   if (progress === FOURTH_STEP) {
     if (
       isDelivered(packages) ||
@@ -60,5 +61,6 @@ export default function getOrderProgress(status: string, packages: any) {
       progress = FIFTH_STEP
     }
   }
+
   return progress
 }
diff --git a/react/components/ProgressBar/utils.ts b/react/components/ProgressBar/utils.ts
index 3b6a52a..c9b68a7 100644
--- a/react/components/ProgressBar/utils.ts
+++ b/react/components/ProgressBar/utils.ts
@@ -56,9 +56,11 @@ export function isDelivered(packages: any) {
   }
 
   const isDelivered = !packages.some(
-    (pack: any) =>
-      pack?.package?.type === OutputPackageType &&
-      !pack?.package?.courierStatus?.finished
+    (pack: any) => {
+      if (!pack?.package) return true // In case you can't tell whether the invoice is input or output, the order as a whole should be considered as not delivered.
+
+      return pack?.package?.type === OutputPackageType &&
+      !pack?.package?.courierStatus?.finished}
   )
 
   return isDelivered