diff --git a/RELEASE-NOTES.txt b/RELEASE-NOTES.txt
index f15fa97650e8..ae114b9cd148 100644
--- a/RELEASE-NOTES.txt
+++ b/RELEASE-NOTES.txt
@@ -2,6 +2,7 @@
 -----
 * [*] My Site: Fixes crash on rotation while editing site title [https://github.com/wordpress-mobile/WordPress-Android/pull/13505]
 * [**] Posts List: Adds duplicate post functionality [https://github.com/wordpress-mobile/WordPress-Android/pull/13521]
+* [*] Block Editor: Fix Gallery block uploads when the editor is closed [https://github.com/wordpress-mobile/WordPress-Android/pull/13570]
 
 16.3
 -----
diff --git a/WordPress/src/main/java/org/wordpress/android/ui/posts/mediauploadcompletionprocessors/GalleryBlockProcessor.java b/WordPress/src/main/java/org/wordpress/android/ui/posts/mediauploadcompletionprocessors/GalleryBlockProcessor.java
index 392c19c4e85e..44425bec409c 100644
--- a/WordPress/src/main/java/org/wordpress/android/ui/posts/mediauploadcompletionprocessors/GalleryBlockProcessor.java
+++ b/WordPress/src/main/java/org/wordpress/android/ui/posts/mediauploadcompletionprocessors/GalleryBlockProcessor.java
@@ -48,10 +48,10 @@ public GalleryBlockProcessor(String localId, MediaFile mediaFile, String siteUrl
             Element parent = targetImg.parent();
             if (parent != null && parent.is("a") && mLinkTo != null) {
                 switch (mLinkTo) {
-                    case "media":
+                    case "file":
                         parent.attr("href", mRemoteUrl);
                         break;
-                    case "attachment":
+                    case "post":
                         parent.attr("href", mAttachmentPageUrl);
                         break;
                     default:
diff --git a/WordPress/src/test/java/org/wordpress/android/ui/posts/mediauploadcompletionprocessors/TestContent.kt b/WordPress/src/test/java/org/wordpress/android/ui/posts/mediauploadcompletionprocessors/TestContent.kt
index 22e84cafce59..a9c175d89c50 100644
--- a/WordPress/src/test/java/org/wordpress/android/ui/posts/mediauploadcompletionprocessors/TestContent.kt
+++ b/WordPress/src/test/java/org/wordpress/android/ui/posts/mediauploadcompletionprocessors/TestContent.kt
@@ -176,7 +176,7 @@ object TestContent {
 <!-- /wp:gallery -->
 """
 
-    const val oldGalleryBlockIdsNotFirst = """<!-- wp:gallery {"linkTo":"attachment","ids":[203,${localMediaId},369]} -->
+    const val oldGalleryBlockIdsNotFirst = """<!-- wp:gallery {"linkTo":"post","ids":[203,${localMediaId},369]} -->
 <figure class="wp-block-gallery columns-3 is-cropped">
   <ul class="blocks-gallery-grid">
     <li class="blocks-gallery-item">
@@ -193,7 +193,7 @@ object TestContent {
 <!-- /wp:gallery -->
 """
 
-    const val newGalleryBlockIdsNotFirst = """<!-- wp:gallery {"linkTo":"attachment","ids":[203,${remoteMediaId},369]} -->
+    const val newGalleryBlockIdsNotFirst = """<!-- wp:gallery {"linkTo":"post","ids":[203,${remoteMediaId},369]} -->
 <figure class="wp-block-gallery columns-3 is-cropped">
   <ul class="blocks-gallery-grid">
     <li class="blocks-gallery-item">
@@ -294,7 +294,7 @@ object TestContent {
 <!-- /wp:video -->
 """
 
-    const val oldGalleryBlockLinkToMediaFile = """<!-- wp:gallery {"ids":[203,${localMediaId},369],"linkTo":"media"} -->
+    const val oldGalleryBlockLinkToMediaFile = """<!-- wp:gallery {"ids":[203,${localMediaId},369],"linkTo":"file"} -->
 <figure class="wp-block-gallery columns-3 is-cropped">
   <ul class="blocks-gallery-grid">
     <li class="blocks-gallery-item">
@@ -311,7 +311,7 @@ object TestContent {
 <!-- /wp:gallery -->
 """
 
-    const val newGalleryBlockLinkToMediaFile = """<!-- wp:gallery {"ids":[203,${remoteMediaId},369],"linkTo":"media"} -->
+    const val newGalleryBlockLinkToMediaFile = """<!-- wp:gallery {"ids":[203,${remoteMediaId},369],"linkTo":"file"} -->
 <figure class="wp-block-gallery columns-3 is-cropped">
   <ul class="blocks-gallery-grid">
     <li class="blocks-gallery-item">
@@ -328,7 +328,7 @@ object TestContent {
 <!-- /wp:gallery -->
 """
 
-    const val oldGalleryBlockLinkToAttachmentPage = """<!-- wp:gallery {"ids":[203,${localMediaId},369],"linkTo":"attachment"} -->
+    const val oldGalleryBlockLinkToAttachmentPage = """<!-- wp:gallery {"ids":[203,${localMediaId},369],"linkTo":"post"} -->
 <figure class="wp-block-gallery columns-3 is-cropped">
   <ul class="blocks-gallery-grid">
     <li class="blocks-gallery-item">
@@ -345,7 +345,7 @@ object TestContent {
 <!-- /wp:gallery -->
 """
 
-    const val newGalleryBlockLinkToAttachmentPage = """<!-- wp:gallery {"ids":[203,${remoteMediaId},369],"linkTo":"attachment"} -->
+    const val newGalleryBlockLinkToAttachmentPage = """<!-- wp:gallery {"ids":[203,${remoteMediaId},369],"linkTo":"post"} -->
 <figure class="wp-block-gallery columns-3 is-cropped">
   <ul class="blocks-gallery-grid">
     <li class="blocks-gallery-item">