diff --git a/tools/oneclick/base/modelsim_config.py b/tools/oneclick/base/modelsim_config.py
index 7cb4d523ccb9ef314d3a21479630ec9b99ea54f2..81a97b73ebd8ee62fe4f6eac6ab246ea8a1cc0e5 100644
--- a/tools/oneclick/base/modelsim_config.py
+++ b/tools/oneclick/base/modelsim_config.py
@@ -252,7 +252,7 @@ if __name__ == '__main__':
         print 'Create modelsim project files for technology %s and all HDL libraries in $%s.' % (technologyName, libRootDir)
         msim.create_modelsim_project_file(technologyName)
     
-    if mode==0 and libRootDir=='UNB':
+    if mode==1 and libRootDir=='UNB':
         libRootDir = 'UNB'
         lib_name = 'unb_common'
         # Read compile order from existing <lib_name>.mpf