diff --git a/indra/llwindow/CMakeLists.txt b/indra/llwindow/CMakeLists.txt
index 726147e86611b3fdf1057dcf3f911a056bc38cb2..9322a69eea42fa3387302cb877cf0a469ea9c54a 100644
--- a/indra/llwindow/CMakeLists.txt
+++ b/indra/llwindow/CMakeLists.txt
@@ -138,6 +138,14 @@ if (WINDOWS)
        llkeyboardwin32.cpp
        lldragdropwin32.cpp
        )
+  set_source_files_properties(
+       llwindowwin32.cpp
+       lldxhardware.cpp
+       llkeyboardwin32.cpp
+       lldragdropwin32.cpp
+       PROPERTIES
+       COMPILE_FLAGS "/showIncludes"
+       )
   list(APPEND llwindow_HEADER_FILES
        llwindowwin32.h
        lldxhardware.h
@@ -148,11 +156,6 @@ if (WINDOWS)
        comdlg32     # Common Dialogs for ChooseColor
        ole32
        )
-  set_source_files_properties(
-       llwindowwin32.cpp
-       PROPERTIES
-       COMPILE_FLAGS "/showIncludes"
-       )
 endif (WINDOWS)
 
 if (SOLARIS)