diff --git a/pabcnetc/ConsoleCompiler.cs b/pabcnetc/ConsoleCompiler.cs
index ea7e49f18..08c4b1b9a 100644
--- a/pabcnetc/ConsoleCompiler.cs
+++ b/pabcnetc/ConsoleCompiler.cs
@@ -271,6 +271,8 @@ namespace PascalABCCompiler
                 Console.WriteLine(msg);
             DateTime ldt = DateTime.Now;
             CompilerOptions co = new CompilerOptions(FileName, outputType);
+            if (FileName.ToLower().EndsWith(".pabcproj"))
+                co.ProjectCompiled = true;
             if (OutputDirectory != "")
                 co.OutputDirectory=OutputDirectory;
             co.Rebuild = Rebuild;
diff --git a/pabcnetc_clear/ConsoleCompiler.cs b/pabcnetc_clear/ConsoleCompiler.cs
index 1f14498dc..323f2dcf8 100644
--- a/pabcnetc_clear/ConsoleCompiler.cs
+++ b/pabcnetc_clear/ConsoleCompiler.cs
@@ -65,6 +65,8 @@ namespace PascalABCCompiler
             outputType = CompilerOptions.OutputType.ConsoleApplicaton;
 
             CompilerOptions co = new CompilerOptions(FileName, outputType);
+            if (FileName.ToLower().EndsWith(".pabcproj"))
+                co.ProjectCompiled = true;
             if (args.Length==1)
                 co.OutputDirectory = "";
             else co.OutputDirectory = args[1];