diff --git a/modules/TDEMacros.cmake b/modules/TDEMacros.cmake
index 590d4a8..97b1f1b 100644
--- a/modules/TDEMacros.cmake
+++ b/modules/TDEMacros.cmake
@@ -414,6 +414,10 @@ endmacro( tde_install_la_file )
 ##### tde_add_ui_files
 
 macro( tde_add_ui_files _sources )
+  if( TDE_FOUND OR "${CMAKE_PROJECT_NAME}" STREQUAL "tdelibs" )
+    set( HAVE_TDE 1 )
+  endif()
+
   foreach( _ui_file ${ARGN} )
 
     get_filename_component( _ui_basename ${_ui_file} NAME_WE )
@@ -430,7 +434,7 @@ macro( tde_add_ui_files _sources )
         -DUI_FILE:FILEPATH=${_ui_absolute_path}
         -DMASTER_SOURCE_DIR:FILEPATH=${CMAKE_SOURCE_DIR}
         -DMASTER_BINARY_DIR:FILEPATH=${CMAKE_BINARY_DIR}
-        -DTDE_FOUND=${TDE_FOUND}
+        -DTDE_FOUND=${HAVE_TDE}
         -DTQT_ONLY=${TQT_ONLY}
         -P ${TDE_CMAKE_MODULES}/tde_uic.cmake
       DEPENDS ${_ui_absolute_path} )