diff --git a/includes/CMakeLists.txt b/includes/CMakeLists.txt
index 63d1943ff..3707f684c 100644
--- a/includes/CMakeLists.txt
+++ b/includes/CMakeLists.txt
@@ -1,23 +1,23 @@
 if (NOT ONLY_KLEO)
 
 add_subdirectory( tests )
 
 macro(install_headers _dir)
-  file(GLOB _includes "${CMAKE_CURRENT_SOURCE_DIR}/${_dir}/[A-Z]*")
+  file(GLOB _includes "${CMAKE_CURRENT_SOURCE_DIR}/${_dir}/[A-Za-z]*")
   install(FILES ${_includes} DESTINATION ${INCLUDE_INSTALL_DIR}/KDE/${_dir} COMPONENT Devel)
 endmacro(install_headers)
 
 if(Akonadi_FOUND)
   install_headers( Akonadi )
 endif(Akonadi_FOUND)
 install_headers( KHolidays )
 install_headers( KABC )
 install_headers( KBlog )
 install_headers( KCal )
 install_headers( KLDAP )
 install_headers( KPIMIdentities )
 install_headers( KPIMUtils )
 install_headers( KResources )
 install_headers( Syndication )
 
 endif (NOT ONLY_KLEO)