diff --git a/17-the-wild-oasis/final-1-after-setup/src/data/Uploader.js b/17-the-wild-oasis/final-1-after-setup/src/data/Uploader.js
index 6a34e0e849..c0140811a0 100644
--- a/17-the-wild-oasis/final-1-after-setup/src/data/Uploader.js
+++ b/17-the-wild-oasis/final-1-after-setup/src/data/Uploader.js
@@ -45,7 +45,7 @@ async function createBookings() {
     .from('guests')
     .select('id')
     .order('id');
-  const allGuestIds = guestsIds.map((cabin) => cabin.id);
+    const allGuestIds = guestsIds.map((guest) => guest.id);
   const { data: cabinsIds } = await supabase
     .from('cabins')
     .select('id')
diff --git a/17-the-wild-oasis/final-2-after-supabase/src/data/Uploader.js b/17-the-wild-oasis/final-2-after-supabase/src/data/Uploader.js
index 6a34e0e849..c0140811a0 100644
--- a/17-the-wild-oasis/final-2-after-supabase/src/data/Uploader.js
+++ b/17-the-wild-oasis/final-2-after-supabase/src/data/Uploader.js
@@ -45,7 +45,7 @@ async function createBookings() {
     .from('guests')
     .select('id')
     .order('id');
-  const allGuestIds = guestsIds.map((cabin) => cabin.id);
+    const allGuestIds = guestsIds.map((guest) => guest.id);
   const { data: cabinsIds } = await supabase
     .from('cabins')
     .select('id')
diff --git a/17-the-wild-oasis/final-3-after-react-query/src/data/Uploader.js b/17-the-wild-oasis/final-3-after-react-query/src/data/Uploader.js
index 6a34e0e849..c0140811a0 100644
--- a/17-the-wild-oasis/final-3-after-react-query/src/data/Uploader.js
+++ b/17-the-wild-oasis/final-3-after-react-query/src/data/Uploader.js
@@ -45,7 +45,7 @@ async function createBookings() {
     .from('guests')
     .select('id')
     .order('id');
-  const allGuestIds = guestsIds.map((cabin) => cabin.id);
+    const allGuestIds = guestsIds.map((guest) => guest.id);
   const { data: cabinsIds } = await supabase
     .from('cabins')
     .select('id')
diff --git a/17-the-wild-oasis/final-4-after-advanced-patterns/src/data/Uploader.js b/17-the-wild-oasis/final-4-after-advanced-patterns/src/data/Uploader.js
index 6a34e0e849..c0140811a0 100644
--- a/17-the-wild-oasis/final-4-after-advanced-patterns/src/data/Uploader.js
+++ b/17-the-wild-oasis/final-4-after-advanced-patterns/src/data/Uploader.js
@@ -45,7 +45,7 @@ async function createBookings() {
     .from('guests')
     .select('id')
     .order('id');
-  const allGuestIds = guestsIds.map((cabin) => cabin.id);
+    const allGuestIds = guestsIds.map((guest) => guest.id);
   const { data: cabinsIds } = await supabase
     .from('cabins')
     .select('id')
diff --git a/17-the-wild-oasis/final-5-after-sort-filter-pagination/src/data/Uploader.jsx b/17-the-wild-oasis/final-5-after-sort-filter-pagination/src/data/Uploader.jsx
index 2b965ee1a6..a47dc03c51 100644
--- a/17-the-wild-oasis/final-5-after-sort-filter-pagination/src/data/Uploader.jsx
+++ b/17-the-wild-oasis/final-5-after-sort-filter-pagination/src/data/Uploader.jsx
@@ -46,7 +46,7 @@ async function createBookings() {
     .from("guests")
     .select("id")
     .order("id");
-  const allGuestIds = guestsIds.map((cabin) => cabin.id);
+    const allGuestIds = guestsIds.map((guest) => guest.id);
   const { data: cabinsIds } = await supabase
     .from("cabins")
     .select("id")
diff --git a/17-the-wild-oasis/final-6-final/src/data/Uploader.jsx b/17-the-wild-oasis/final-6-final/src/data/Uploader.jsx
index 2b965ee1a6..0c783a8205 100644
--- a/17-the-wild-oasis/final-6-final/src/data/Uploader.jsx
+++ b/17-the-wild-oasis/final-6-final/src/data/Uploader.jsx
@@ -46,7 +46,7 @@ async function createBookings() {
     .from("guests")
     .select("id")
     .order("id");
-  const allGuestIds = guestsIds.map((cabin) => cabin.id);
+  const allGuestIds = guestsIds.map((guest) => guest.id);
   const { data: cabinsIds } = await supabase
     .from("cabins")
     .select("id")
diff --git a/17-the-wild-oasis/starter/data/Uploader.jsx b/17-the-wild-oasis/starter/data/Uploader.jsx
index 2b965ee1a6..a47dc03c51 100644
--- a/17-the-wild-oasis/starter/data/Uploader.jsx
+++ b/17-the-wild-oasis/starter/data/Uploader.jsx
@@ -46,7 +46,7 @@ async function createBookings() {
     .from("guests")
     .select("id")
     .order("id");
-  const allGuestIds = guestsIds.map((cabin) => cabin.id);
+    const allGuestIds = guestsIds.map((guest) => guest.id);
   const { data: cabinsIds } = await supabase
     .from("cabins")
     .select("id")