diff --git a/TODO.md b/TODO.md
index 06b22d5..3b53bea 100644
--- a/TODO.md
+++ b/TODO.md
@@ -4,3 +4,4 @@
 - [x] Website iframe overlay: remove blur, move button to bottom-right, replace text with SVG icon + tooltip
 - [x] Fix "Copier" button in logs section scrolling out of view on horizontal scroll
 - [x] Remove TOC temporary debug error_log calls
+- [x] Fix PeerTube upload failure: PHP /tmp tmpfs too small for large video files
diff --git a/app/public/admin/actions/filepond/.user.ini b/app/public/admin/actions/filepond/.user.ini
new file mode 100644
index 0000000..54e7227
--- /dev/null
+++ b/app/public/admin/actions/filepond/.user.ini
@@ -0,0 +1,12 @@
+; Bypass /tmp tmpfs (987MB) for large video/audio uploads.
+; /tmp defaults to a small tmpfs; this points PHP's upload temp
+; directory to the storage partition which has 20GB free.
+upload_tmp_dir = /var/www/xamxam/storage/tmp/php-uploads
+
+; These mirror the nginx fastcgi_param PHP_VALUE overrides
+; as a belt-and-suspenders safety net.
+upload_max_filesize = 8192M
+post_max_size = 8192M
+memory_limit = 256M
+max_execution_time = 600
+max_input_time = 600
diff --git a/app/public/partage/actions/filepond/.user.ini b/app/public/partage/actions/filepond/.user.ini
new file mode 100644
index 0000000..54e7227
--- /dev/null
+++ b/app/public/partage/actions/filepond/.user.ini
@@ -0,0 +1,12 @@
+; Bypass /tmp tmpfs (987MB) for large video/audio uploads.
+; /tmp defaults to a small tmpfs; this points PHP's upload temp
+; directory to the storage partition which has 20GB free.
+upload_tmp_dir = /var/www/xamxam/storage/tmp/php-uploads
+
+; These mirror the nginx fastcgi_param PHP_VALUE overrides
+; as a belt-and-suspenders safety net.
+upload_max_filesize = 8192M
+post_max_size = 8192M
+memory_limit = 256M
+max_execution_time = 600
+max_input_time = 600
diff --git a/nginx/xamxam.conf b/nginx/xamxam.conf
index f9d2184..ad6f82b 100644
--- a/nginx/xamxam.conf
+++ b/nginx/xamxam.conf
@@ -156,7 +156,7 @@ server {
             fastcgi_pass unix:/var/run/php/php8.4-fpm.sock;
 
             # Security parameters (must be <= client_max_body_size)
-            fastcgi_param PHP_VALUE "upload_max_filesize=8192M \n post_max_size=8192M";
+            fastcgi_param PHP_VALUE "upload_max_filesize=8192M \n post_max_size=8192M \n upload_tmp_dir=/var/www/xamxam/storage/tmp/php-uploads";
 
             # Timeouts
             fastcgi_read_timeout 600;
@@ -176,7 +176,7 @@ server {
         location ~ \.php$ {
             include snippets/fastcgi-php.conf;
             fastcgi_pass unix:/var/run/php/php8.4-fpm.sock;
-            fastcgi_param PHP_VALUE "upload_max_filesize=8192M \n post_max_size=8192M";
+            fastcgi_param PHP_VALUE "upload_max_filesize=8192M \n post_max_size=8192M \n upload_tmp_dir=/var/www/xamxam/storage/tmp/php-uploads";
             fastcgi_read_timeout 600;
             fastcgi_send_timeout 600;
         }
@@ -199,7 +199,7 @@ server {
         fastcgi_param SCRIPT_FILENAME $document_root/index.php;
         fastcgi_param SCRIPT_NAME /index.php;
         fastcgi_pass unix:/var/run/php/php8.4-fpm.sock;
-        fastcgi_param PHP_VALUE "upload_max_filesize=8192M \n post_max_size=8192M";
+        fastcgi_param PHP_VALUE "upload_max_filesize=8192M \n post_max_size=8192M \n upload_tmp_dir=/var/www/xamxam/storage/tmp/php-uploads";
         fastcgi_read_timeout 600;
         fastcgi_send_timeout 600;
     }
@@ -220,7 +220,7 @@ server {
         fastcgi_pass unix:/var/run/php/php8.4-fpm.sock;
 
         # Security parameters (must be <= client_max_body_size)
-        fastcgi_param PHP_VALUE "upload_max_filesize=8192M \n post_max_size=8192M";
+        fastcgi_param PHP_VALUE "upload_max_filesize=8192M \n post_max_size=8192M \n upload_tmp_dir=/var/www/xamxam/storage/tmp/php-uploads";
 
         # Timeouts
         fastcgi_read_timeout 600;
diff --git a/scripts/deploy-server.sh b/scripts/deploy-server.sh
index e9d187f..4dc818a 100755
--- a/scripts/deploy-server.sh
+++ b/scripts/deploy-server.sh
@@ -83,6 +83,12 @@ chown -R www-data:xamxam /var/www/xamxam/storage/cache
 chmod -R 2775 /var/www/xamxam/storage/cache
 ok "Cache dirs: created and owned by www-data:xamxam"
 
+# Ensure PHP upload temp dir exists on storage partition (not /tmp tmpfs)
+mkdir -p /var/www/xamxam/storage/tmp/php-uploads
+chown www-data:xamxam /var/www/xamxam/storage/tmp/php-uploads
+chmod 2775 /var/www/xamxam/storage/tmp/php-uploads
+ok "PHP upload temp dir: /var/www/xamxam/storage/tmp/php-uploads"
+
 # ── Step 2: Nginx config ──────────────────────────────────────────────────────
 printf "\n📋 Step 2: Deploying nginx configuration...\n"
 echo "--------------------------------------------"