diff --git a/scripts/upgrade b/scripts/upgrade
index e5bad4e..6043b2f 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -49,7 +49,7 @@ then
 	ynh_script_progression --message="Upgrading source files..." --weight=4
 
 	# Download, check integrity, uncompress and patch the source from app.src
-	ynh_setup_source --dest_dir="$install_dir" --keep=".env public/dist/user.css"
+	ynh_setup_source --dest_dir="$install_dir" --keep=".env public/dist/user.css" --full_replace=1
 fi
 
 chmod 750 "$install_dir/bootstrap/cache"
diff --git a/tests.toml b/tests.toml
index 91daf17..83e7358 100644
--- a/tests.toml
+++ b/tests.toml
@@ -2,6 +2,8 @@ test_format = 1.0
 
 [default]
 
-    # ------------
-    # Tests to run
-    # ------------
\ No newline at end of file
+    # -------------------------------
+    # Commits to test upgrade from
+    # -------------------------------
+    
+    test_upgrade_from.fc44c0a853aeaebb4854a3271a4d0c86a3d61bfc.name = "Upgrade from 5.1.2"
\ No newline at end of file