diff --git a/CMakeLists.txt b/CMakeLists.txt
index a036f9b..92a471a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -187,9 +187,13 @@ include_directories (
 )
 if (NOT QTSINGLEAPPLICATION_FOUND)
     include_directories(${CMAKE_CURRENT_SOURCE_DIR}/qtsingleapplication)
+else ()
+    include_directories(${QTSINGLEAPPLICATION_INCLUDE_DIR})
 endif (NOT QTSINGLEAPPLICATION_FOUND)
 if (NOT QXT_FOUND)
     include_directories(${CMAKE_CURRENT_SOURCE_DIR}/qxt)
+else ()
+    include_directories(${QXT_INCLUDE_PATH})
 endif (NOT QXT_FOUND)