diff --git a/TableLaptop.py b/TableLaptop.py
index 25d94cf..a9f039c 100644
--- a/TableLaptop.py
+++ b/TableLaptop.py
@@ -54,7 +54,7 @@ def add_data():
     timestamp = time.strftime('%H:%M:%S')
     x_data.append(timestamp)
 
-    cpu = table.getNumber("CPU Usage", -1)
+    cpu = min(max(table.getNumber("CPU Usage", -1), 0), 100)
     temp = table.getNumber("Temperature", -1)
     mem = table.getNumber("Memory", -1)