diff --git a/files/system-monitor-graph@rcassani/settings-schema.json b/files/system-monitor-graph@rcassani/settings-schema.json
index fb4015f..a20b81b 100644
--- a/files/system-monitor-graph@rcassani/settings-schema.json
+++ b/files/system-monitor-graph@rcassani/settings-schema.json
@@ -97,10 +97,10 @@
         "description": "Number of vertical lines in the grid"
     },
     "scale-size": {
-        "type": "spinbutton",
+        "type": "scale",
         "default": 1,
         "min": 0.5,
-        "max": 3,
+        "max": 5,
         "step": 0.1,
         "description": "Scale factor for desklet size (1 = 330x120 px)"
     }