diff --git a/CMakeLists.txt b/CMakeLists.txt
index 176c236..b5415ec 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -278,6 +278,8 @@
 endif()
 
 if(BUILD_NEW_VNCVIEWER)
-  add_subdirectory(po)
+  if(ENABLE_NLS)
+    add_subdirectory(po)
+  endif()
   add_subdirectory(vncviewer)
 endif()