diff --git a/Indicators/IndicatorBase.cs b/Indicators/IndicatorBase.cs
index 327cd3b5ddcf..cf011d804f43 100644
--- a/Indicators/IndicatorBase.cs
+++ b/Indicators/IndicatorBase.cs
@@ -232,6 +232,7 @@ public int CompareTo(object obj)
     public abstract class IndicatorBase<T> : IndicatorBase
         where T : IBaseData
     {
+        private bool _loggedForwardOnlyIndicatorError;
 
         /// <summary>the most recent input that was given to this indicator</summary>
         private Dictionary<SecurityIdentifier, T> _previousInput = new Dictionary<SecurityIdentifier, T>();
@@ -255,8 +256,12 @@ public override bool Update(IBaseData input)
             T _previousSymbolInput = default(T);
             if (_previousInput.TryGetValue(input.Symbol.ID, out _previousSymbolInput) && input.EndTime < _previousSymbolInput.EndTime)
             {
-                // if we receive a time in the past, log and return
-                Log.Error($"This is a forward only indicator: {Name} Input: {input.EndTime:u} Previous: {_previousSymbolInput.EndTime:u}. It will not be updated with this input.");
+                if (!_loggedForwardOnlyIndicatorError)
+                {
+                    _loggedForwardOnlyIndicatorError = true;
+                    // if we receive a time in the past, log once and return
+                    Log.Error($"IndicatorBase.Update(): This is a forward only indicator: {Name} Input: {input.EndTime:u} Previous: {_previousSymbolInput.EndTime:u}. It will not be updated with this input.");
+                }
                 return IsReady;
             }
             if (!ReferenceEquals(input, _previousSymbolInput))