diff --git a/roles/sync/files_sync/defaults/main.yml b/roles/sync/files_sync/defaults/main.yml
index 06f6a818..5b65b1fb 100644
--- a/roles/sync/files_sync/defaults/main.yml
+++ b/roles/sync/files_sync/defaults/main.yml
@@ -2,13 +2,15 @@
 files_sync:
   directories:
     - source:
-        # Location of the files to sync from.
+        # Location of the files to sync from. DO NOT INCLUDE TRAILING SLASH!
         files_dir: "/home/{{ deploy_user }}/shared/{{ project_name }}_prod/assets/{{ project_name }}_prod_default_public_files"
-        # Host that can connect to the database.
+        # Host that contains source files.
         host: "localhost"
-        # For "rolling builds", so we can compute the database name.
+        # Location on deploy server where source files get copied to first. NO TRAILING SLASH.
+        temp_dir: "/tmp"
+        # Used to create directory in /tmp.
         build_id: mybuildprod
       target:
-        # Location of the files to sync to.
+        # Location of the files to sync to. DO NOT INCLUDE TRAILING SLASH!
         files_dir: "/home/{{ deploy_user }}/shared/{{ project_name }}_dev/assets/{{ project_name }}_dev_default_public_files"
         build_id: mybuilddev
diff --git a/roles/sync/files_sync/tasks/sync.yml b/roles/sync/files_sync/tasks/sync.yml
index cb34430b..d830f11f 100644
--- a/roles/sync/files_sync/tasks/sync.yml
+++ b/roles/sync/files_sync/tasks/sync.yml
@@ -1,7 +1,7 @@
 ---
 - name: Create a temporary directory for source files on localhost.
   ansible.builtin.file:
-    path: "/tmp/{{ files.source.build_id }}"
+    path: "{{ files.source.temp_dir }}/{{ files.source.build_id }}"
     state: directory
     owner: "{{ deploy_user }}"
     group: "{{ deploy_user }}"
@@ -9,14 +9,13 @@
   run_once: true
 
 - name: Copy the source files onto the deploy server.
-  ansible.posix.synchronize:
-    mode: pull
-    src: "{{ files.source.files_dir }}"
-    dest: "/tmp/{{ files.source.build_id }}"
+  ansible.builtin.command:
+    cmd: "rsync -e 'ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no' -aHPv {{ files.source.host }}:{{ files.source.files_dir }}/ {{ files.source.temp_dir }}/{{ files.source.build_id }}/"
+  delegate_to: "localhost"
 
 - name: Copy the source files from the deploy server onto the destination server.
   ansible.builtin.copy:
-    src: "/tmp/{{ files.source.build_id }}"
+    src: "{{ files.source.temp_dir }}/{{ files.source.build_id }}"
     dest: "{{ files.target.files_dir }}"
     owner: "{{ deploy_user }}"
     group: "{{ deploy_user }}"