diff --git a/EdkShellPkg/EdkShellPkg.dsc b/EdkShellPkg/EdkShellPkg.dsc
index dd1ce2f637..7986dbc99b 100644
--- a/EdkShellPkg/EdkShellPkg.dsc
+++ b/EdkShellPkg/EdkShellPkg.dsc
@@ -27,8 +27,12 @@
 # 
 # Change the macro to the directory containing the source code from EDK Shell Project.  
 # This is a workspace relative directory
-#  
-DEFINE EDK_SHELL_DIR             = EdkShellPkg/Shell
+#
+# DEFINE EDK_SHELL_DIR           = EdkShellPkg/Shell  # when "Shell" directory is under $(WORKSPACE)/EdkShellPkg 
+#
+DEFINE EDK_SHELL_DIR             = Shell  # when "Shell" directory is directly under $(WORKSPACE) 
+
+
 
 [Libraries]
   #