diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index 9f91e7cd8b..5f81c36a45 100644
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -7528,6 +7528,7 @@
                     "unit": "mm",
                     "type": "float",
                     "minimum_value": "0",
+                    "default_value": 5,
                     "value": "line_width + support_xy_distance + 1.0",
                     "enabled": "bridge_settings_enabled",
                     "settable_per_mesh": true,