diff --git a/src/AXSharp.compiler/src/AXSharp.Compiler/AXSharpProject.cs b/src/AXSharp.compiler/src/AXSharp.Compiler/AXSharpProject.cs
index e39a8d19..e89707bc 100644
--- a/src/AXSharp.compiler/src/AXSharp.Compiler/AXSharpProject.cs
+++ b/src/AXSharp.compiler/src/AXSharp.Compiler/AXSharpProject.cs
@@ -235,6 +235,7 @@ private void CompileProjectReferences(IEnumerable<IReference> referencedDependen
 
                 project.Generate();
 
+            if(!string.IsNullOrEmpty(ixProjectReference.AxProjectFolder))
                 compiled.Add(ixProjectReference.AxProjectFolder);
 
         }