diff --git a/CMakeLists.txt b/CMakeLists.txt
index cc18b52..da995b5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -75,7 +75,7 @@ add_definitions(
 
 find_package(KPMcore ${KPMCORE_MIN_VERSION} REQUIRED)
 
-include_directories(${Qt5Core_INCLUDE_DIRS} ${UUID_INCLUDE_DIRS} ${BLKID_INCLUDE_DIRS} ${KPMCORE_INCLUDE_DIR} lib/ src/)
+include_directories(${Qt${QT_MAJOR_VERSION}Core_INCLUDE_DIRS} ${UUID_INCLUDE_DIRS} ${BLKID_INCLUDE_DIRS} ${KPMCORE_INCLUDE_DIR} src/)
 
 add_subdirectory(src)
 add_subdirectory(icons)