diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index c17e0da9d8..63c7b25b0b 100644
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -652,7 +652,7 @@
                 {
                     "label": "Steps per Millimeter (X)",
                     "description": "How many steps of the stepper motor will result in one millimeter of movement in the X direction.",
-                    "type": "int",
+                    "type": "float",
                     "default_value": 50,
                     "minimum_value": "0.0000001",
                     "settable_per_mesh": false,
@@ -662,7 +662,7 @@
                 {
                     "label": "Steps per Millimeter (Y)",
                     "description": "How many steps of the stepper motor will result in one millimeter of movement in the Y direction.",
-                    "type": "int",
+                    "type": "float",
                     "default_value": 50,
                     "minimum_value": "0.0000001",
                     "settable_per_mesh": false,
@@ -672,7 +672,7 @@
                 {
                     "label": "Steps per Millimeter (Z)",
                     "description": "How many steps of the stepper motor will result in one millimeter of movement in the Z direction.",
-                    "type": "int",
+                    "type": "float",
                     "default_value": 50,
                     "minimum_value": "0.0000001",
                     "settable_per_mesh": false,
@@ -682,7 +682,7 @@
                 {
                     "label": "Steps per Millimeter (E)",
                     "description": "How many steps of the stepper motors will result in one millimeter of extrusion.",
-                    "type": "int",
+                    "type": "float",
                     "default_value": 1600,
                     "minimum_value": "0.0000001",
                     "settable_per_mesh": false,