diff --git a/Prebuild/src/Core/Targets/NAntTarget.cs b/Prebuild/src/Core/Targets/NAntTarget.cs
index 775d342433..1966f6681b 100644
--- a/Prebuild/src/Core/Targets/NAntTarget.cs
+++ b/Prebuild/src/Core/Targets/NAntTarget.cs
@@ -644,7 +644,9 @@ namespace Prebuild.Core.Targets
                 ss.WriteLine("        <delete failonerror=\"false\">");
                 ss.WriteLine("        <fileset basedir=\"${bin.dir}\">");
                 ss.WriteLine("            <include name=\"OpenSim*.dll\"/>");
+                ss.WriteLine("            <include name=\"OpenSim*.dll.mdb\"/>");
                 ss.WriteLine("            <include name=\"OpenSim*.exe\"/>");
+                ss.WriteLine("            <include name=\"OpenSim*.exe.mdb\"/>");
                 ss.WriteLine("            <include name=\"ScriptEngines/*\"/>");
                 ss.WriteLine("            <include name=\"Physics/*.dll\"/>");
                 ss.WriteLine("            <include name=\"Physics/*.dll.mdb\"/>");
diff --git a/bin/Prebuild.exe b/bin/Prebuild.exe
index 4c08aacbd7..ead3c6b966 100755
Binary files a/bin/Prebuild.exe and b/bin/Prebuild.exe differ