diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 1eead03e..45aec93a 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,46 +1,46 @@
 # vim:set softtabstop=3 shiftwidth=3 tabstop=3 expandtab:
 
 # Boosting us a bit
 
 if (NOT KACTIVITIES_LIBRARY_ONLY)
    find_package (Boost 1.49 REQUIRED)
 
    string (REGEX MATCH "1053.." BOOST_VERSION_BLACKLISTED ${Boost_VERSION})
 
    if (BOOST_VERSION_BLACKLISTED AND NOT KACTIVITIES_ENABLE_EXCEPTIONS)
       message (
          WARNING
          "Boost.Container 1.53 has issues when exceptions are disabled. "
          "We will set the KACTIVITIES_ENABLE_EXCEPTIONS option."
          )
       set (KACTIVITIES_ENABLE_EXCEPTIONS ON)
    endif ()
 endif ()
 
 if (KACTIVITIES_ENABLE_EXCEPTIONS)
    string (REPLACE "-fno-exceptions" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
    add_definitions (-fexceptions)
 endif ()
 
 # =======================================================
 # Starting the actual project definition
 
 # The libraries do not depend on any compile-time features
 add_subdirectory (lib)
 
 if (NOT KACTIVITIES_LIBRARY_ONLY)
    include_directories (
       ${CMAKE_CURRENT_BINARY_DIR}
       ${CMAKE_CURRENT_SOURCE_DIR}
-      ${Boost_INCLUDE_DIR}
+      ${Boost_INCLUDE_DIRS}
       )
    add_subdirectory (imports)
 endif ()
 
 add_subdirectory (cli)
 
 ecm_qt_install_logging_categories(
     EXPORT KACTIVITIES
     FILE kactivities.categories
     DESTINATION ${KDE_INSTALL_LOGGINGCATEGORIESDIR}
 )