diff --git a/src/coreclr/tools/Common/Compiler/ObjectWriter/MachObjectWriter.cs b/src/coreclr/tools/Common/Compiler/ObjectWriter/MachObjectWriter.cs
index df4546469bd01a..898c4b31fad652 100644
--- a/src/coreclr/tools/Common/Compiler/ObjectWriter/MachObjectWriter.cs
+++ b/src/coreclr/tools/Common/Compiler/ObjectWriter/MachObjectWriter.cs
@@ -137,6 +137,7 @@ private void LayoutSections(bool recordFinalLayout, ref uint fileOffset, out uin
         {
             ulong virtualAddress = 0;
             byte sectionIndex = 1;
+            uint initialFileOffset = uint.MaxValue;
 
             segmentFileSize = 0;
             segmentSize = 0;
@@ -149,9 +150,10 @@ private void LayoutSections(bool recordFinalLayout, ref uint fileOffset, out uin
 
                 if (section.IsInFile)
                 {
+                    initialFileOffset = Math.Min(initialFileOffset, fileOffset);
                     section.FileOffset = fileOffset;
                     fileOffset += (uint)section.Size;
-                    segmentFileSize = Math.Max(segmentFileSize, fileOffset);
+                    segmentFileSize = Math.Max(segmentFileSize, fileOffset - initialFileOffset);
                 }
                 else
                 {