diff --git a/src/Microsoft.AspNetCore.Server.Kestrel.Core/Internal/Http/KestrelHttpParser.cs b/src/Microsoft.AspNetCore.Server.Kestrel.Core/Internal/Http/KestrelHttpParser.cs
index 581281ca43..ef8d48951c 100644
--- a/src/Microsoft.AspNetCore.Server.Kestrel.Core/Internal/Http/KestrelHttpParser.cs
+++ b/src/Microsoft.AspNetCore.Server.Kestrel.Core/Internal/Http/KestrelHttpParser.cs
@@ -41,7 +41,17 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
                 consumed = buffer.Move(consumed, lineIndex + 1);
                 span = span.Slice(0, lineIndex + 1);
             }
-            else if (buffer.IsSingleSpan || !TryGetNewLineSpan(ref buffer, ref span, out consumed))
+            else if (buffer.IsSingleSpan)
+            {
+                // No request line end
+                return false;
+            }
+            else if (TryGetNewLine(ref buffer, out var found))
+            {
+                span = buffer.Slice(consumed, found).ToSpan();
+                consumed = found;
+            }
+            else
             {
                 // No request line end
                 return false;
@@ -429,16 +439,14 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Internal.Http
             return true;
         }
 
-
         [MethodImpl(MethodImplOptions.NoInlining)]
-        private static bool TryGetNewLineSpan(ref ReadableBuffer buffer, ref Span<byte> span, out ReadCursor end)
+        private static bool TryGetNewLine(ref ReadableBuffer buffer, out ReadCursor found)
         {
             var start = buffer.Start;
-            if (ReadCursorOperations.Seek(start, buffer.End, out end, ByteLF) != -1)
+            if (ReadCursorOperations.Seek(start, buffer.End, out found, ByteLF) != -1)
             {
                 // Move 1 byte past the \n
-                end = buffer.Move(end, 1);
-                span = buffer.Slice(start, end).ToSpan();
+                found = buffer.Move(found, 1);
                 return true;
             }
             return false;
diff --git a/test/Microsoft.AspNetCore.Server.KestrelTests/HttpParserTests.cs b/test/Microsoft.AspNetCore.Server.KestrelTests/HttpParserTests.cs
index 0f269514ba..99daa1a53d 100644
--- a/test/Microsoft.AspNetCore.Server.KestrelTests/HttpParserTests.cs
+++ b/test/Microsoft.AspNetCore.Server.KestrelTests/HttpParserTests.cs
@@ -4,6 +4,7 @@
 using System;
 using System.Collections.Generic;
 using System.IO.Pipelines;
+using System.IO.Pipelines.Testing;
 using System.Linq;
 using System.Text;
 using Microsoft.AspNetCore.Http;
@@ -365,6 +366,20 @@ namespace Microsoft.AspNetCore.Server.KestrelTests
             Assert.Equal(StatusCodes.Status400BadRequest, exception.StatusCode);
         }
 
+        [Fact]
+        public void ParseRequestLineSplitBufferWithoutNewLineDoesNotUpdateConsumed()
+        {
+            var parser = CreateParser(Mock.Of<IKestrelTrace>());
+            var buffer = BufferUtilities.CreateBuffer("GET ", "/");
+
+            var requestHandler = new RequestHandler();
+            var result = parser.ParseRequestLine(requestHandler, buffer, out var consumed, out var examined);
+
+            Assert.False(result);
+            Assert.Equal(buffer.Start, consumed);
+            Assert.Equal(buffer.End, examined);
+        }
+
         private void VerifyHeader(
             string headerName,
             string rawHeaderValue,