diff --git a/src/libraries/System.Private.CoreLib/src/System/Array.cs b/src/libraries/System.Private.CoreLib/src/System/Array.cs
index 40d3a064f4f8f8..fa80d26e412b21 100644
--- a/src/libraries/System.Private.CoreLib/src/System/Array.cs
+++ b/src/libraries/System.Private.CoreLib/src/System/Array.cs
@@ -1936,7 +1936,7 @@ private void IntrospectiveSort(int left, int length)
 
             private void IntroSort(int lo, int hi, int depthLimit)
             {
-                Debug.Assert(hi > lo);
+                Debug.Assert(hi >= lo);
                 Debug.Assert(depthLimit >= 0);
 
                 while (hi > lo)
@@ -2150,7 +2150,7 @@ private void IntrospectiveSort(int left, int length)
 
             private void IntroSort(int lo, int hi, int depthLimit)
             {
-                Debug.Assert(hi > lo);
+                Debug.Assert(hi >= lo);
                 Debug.Assert(depthLimit >= 0);
 
                 while (hi > lo)