diff --git a/resources/machines/fdmprinter.json b/resources/machines/fdmprinter.json
index bf53ede906..2a24304146 100644
--- a/resources/machines/fdmprinter.json
+++ b/resources/machines/fdmprinter.json
@@ -1497,8 +1497,8 @@
                     "description": "Make the first and second layer of the object overlap in the Z direction to compensate for the filament lost in the airgap. All models above the first model layer will be shifted down by this amount.",
                     "unit": "mm",
                     "type": "float",
-                    "default": 0.05,
-                    "inherit_function": "layer_height / 2",
+                    "default": 0.22,
+                    "inherit_function": "raft_airgap / 2",
                     "min_value": "0",
                     "max_value_warning": "layer_height",
                     "enabled": "adhesion_type == \"raft\"",