diff --git a/indra/CMakeLists.txt b/indra/CMakeLists.txt
index ce359a85b07bdebcce60eaafb4647d836152b5c6..5c2657ccbfbfc5c24c5cb5ff4d01b22311a580a9 100644
--- a/indra/CMakeLists.txt
+++ b/indra/CMakeLists.txt
@@ -37,9 +37,9 @@ endif (EXISTS ${LIBS_CLOSED_DIR}llkdu AND NOT STANDALONE)
 
 add_subdirectory(${LIBS_OPEN_PREFIX}lscript)
 
-if (WINDOWS AND EXISTS copy_win_scripts)
-  add_subdirectory(copy_win_scripts)
-endif (WINDOWS AND EXISTS copy_win_scripts)
+if (WINDOWS AND EXISTS ${LIBS_CLOSED_DIR}copy_win_scripts)
+  add_subdirectory(${LIBS_CLOSED_PREFIX}copy_win_scripts)
+endif (WINDOWS AND EXISTS ${LIBS_CLOSED_DIR}copy_win_scripts)
 
 if (VIEWER)
   add_subdirectory(${LIBS_OPEN_PREFIX}llcrashlogger)