diff --git a/SteamController/Devices/SteamAction.cs b/SteamController/Devices/SteamAction.cs
index e376fe6..7fc57e3 100644
--- a/SteamController/Devices/SteamAction.cs
+++ b/SteamController/Devices/SteamAction.cs
@@ -257,7 +257,7 @@ namespace SteamController.Devices
         Absolute,
         AbsoluteTime,
         Delta,
-        DeltaTime
+        DeltaTime,
     }
 
     public class SteamAxis : SteamAction
@@ -274,6 +274,7 @@ namespace SteamController.Devices
         public short Deadzone { get; internal set; }
         public short MinChange { get; internal set; }
         public DeltaValueMode DeltaValueMode { get; internal set; } = DeltaValueMode.Absolute;
+        public SteamAxis? PartnerAxis { get; internal set; }
 
         public short Value
         {
@@ -292,7 +293,10 @@ namespace SteamController.Devices
         public static implicit operator bool(SteamAxis button) => button.Active;
         public static implicit operator short(SteamAxis button)
         {
-            return Math.Abs(button.Value) > button.Deadzone ? button.Value : (short)0;
+            int pValue = button.PartnerAxis?.Value ?? button.Value;
+            // get circular deadzone reference
+            int dzValue = pValue == button.Value ? button.Value : (int)Math.Sqrt(pValue * pValue + button.Value * button.Value);
+            return dzValue > button.Deadzone ? button.Value : (short)0;
         }
 
         public bool Active
@@ -305,33 +309,41 @@ namespace SteamController.Devices
             get { return GetDeltaValue(-1, 1, DeltaValueMode); }
         }
 
+  
+
         public double GetDeltaValue(double min, double max, DeltaValueMode mode)
         {
+            
             int value = 0;
+            int pValue = PartnerAxis?.Value ?? Value;
+           
+            // get circular deadzone reference
+            int dzValue = (int)Math.Sqrt(pValue * pValue + Value * Value);
 
             switch (mode)
             {
                 case DeltaValueMode.Absolute:
-                    if (Math.Abs(Value) < Deadzone)
+                    if (Math.Abs(dzValue) < Deadzone)
                         return 0.0;
                     value = Value;
                     break;
 
                 case DeltaValueMode.AbsoluteTime:
-                    if (Math.Abs(Value) < Deadzone)
+
+                    if (Math.Abs(dzValue) < Deadzone)
                         return 0.0;
                     value = (int)(Value * (Controller?.DeltaTime ?? 0.0));
                     break;
 
                 case DeltaValueMode.Delta:
                     value = Value - LastValue;
-                    if (Math.Abs(Value) < MinChange)
+                    if (Math.Abs(value) < MinChange)
                         return 0.0;
                     break;
 
                 case DeltaValueMode.DeltaTime:
                     value = Value - LastValue;
-                    if (Math.Abs(Value) < MinChange)
+                    if (Math.Abs(value) < MinChange)
                         return 0.0;
                     value = (int)(value * (Controller?.DeltaTime ?? 0.0));
                     break;
@@ -341,7 +353,9 @@ namespace SteamController.Devices
                 return 0.0;
 
             double factor = (double)(value - short.MinValue) / (short.MaxValue - short.MinValue);
+            
             return factor * (max - min) + min;
+            
         }
 
         internal override void Reset()
diff --git a/SteamController/Devices/SteamButtons.cs b/SteamController/Devices/SteamButtons.cs
index 1a5704f..392201f 100644
--- a/SteamController/Devices/SteamButtons.cs
+++ b/SteamController/Devices/SteamButtons.cs
@@ -71,6 +71,12 @@ namespace SteamController.Devices
             LeftThumbX.VirtualRight = BtnVirtualLeftThumbRight;
             LeftThumbY.VirtualLeft = BtnVirtualLeftThumbDown;
             LeftThumbY.VirtualRight = BtnVirtualLeftThumbUp;
+
+            // set partner axes for circle deadzone
+            LeftThumbX.PartnerAxis = LeftThumbY;
+            LeftThumbY.PartnerAxis = LeftThumbX;
+            RightThumbX.PartnerAxis = RightThumbY;
+            RightThumbY.PartnerAxis = RightThumbX;
         }
     }
 }