diff --git a/src/coreclr/tools/Common/Internal/NativeFormat/NativeFormatWriter.cs b/src/coreclr/tools/Common/Internal/NativeFormat/NativeFormatWriter.cs
index 0a347d7ab3c567..f516a41ea54256 100644
--- a/src/coreclr/tools/Common/Internal/NativeFormat/NativeFormatWriter.cs
+++ b/src/coreclr/tools/Common/Internal/NativeFormat/NativeFormatWriter.cs
@@ -1996,7 +1996,7 @@ public static int Comparison(Entry a, Entry b)
         // Current size of index entry
         private int _entryIndexSize; // 0 - uint8, 1 - uint16, 2 - uint32
 
-        public const int DefaultFillFactor = 13;
+        public const int DefaultFillFactor = 5;
 
         public VertexHashtable(int fillFactor = DefaultFillFactor)
         {