diff --git a/source/Compiler/Indy.IL2CPU.Assembler/Indy.IL2CPU.Assembler.csproj b/source/Compiler/Indy.IL2CPU.Assembler/Indy.IL2CPU.Assembler.csproj
index f9489cf14..ae35450b7 100644
--- a/source/Compiler/Indy.IL2CPU.Assembler/Indy.IL2CPU.Assembler.csproj
+++ b/source/Compiler/Indy.IL2CPU.Assembler/Indy.IL2CPU.Assembler.csproj
@@ -61,6 +61,7 @@
     <Compile Include="DataMember.cs" />
     <Compile Include="Define.cs" />
     <Compile Include="ElementReference.cs" />
+    <Compile Include="ElfHash.cs" />
     <Compile Include="EndIfDefined.cs" />
     <Compile Include="X86\ExternalLabel.cs" />
     <Compile Include="IfDefined.cs" />