diff --git a/backend/profiles/profiles/BBL/machine/Bambu Lab A1 0.4 nozzle.json b/backend/profiles/profiles/BBL/machine/Bambu Lab A1 0.4 nozzle.json
index 8c8a2ff..409e7c2 100644
--- a/backend/profiles/profiles/BBL/machine/Bambu Lab A1 0.4 nozzle.json	
+++ b/backend/profiles/profiles/BBL/machine/Bambu Lab A1 0.4 nozzle.json	
@@ -56,7 +56,7 @@
     "nozzle_height": "4.76",
     "nozzle_type": "stainless_steel",
     "nozzle_volume": "92",
-    "printable_height": "260",
+    "printable_height": "256",
     "printer_structure": "i3",
     "retract_lift_below": [
         "255"
diff --git a/backend/profiles/profiles/BBL/machine/fdm_bbl_3dp_001_common.json b/backend/profiles/profiles/BBL/machine/fdm_bbl_3dp_001_common.json
index 470dc12..a19df24 100644
--- a/backend/profiles/profiles/BBL/machine/fdm_bbl_3dp_001_common.json
+++ b/backend/profiles/profiles/BBL/machine/fdm_bbl_3dp_001_common.json
@@ -10,9 +10,9 @@
     "printer_variant": "0.4",
     "printable_area": [
         "0x0",
-        "260x0",
-        "260x260",
-        "0x260"
+        "256x0",
+        "256x256",
+        "0x256"
     ],
     "auxiliary_fan": "1",
     "bed_exclude_area": [