diff --git a/CMakeLists.txt b/CMakeLists.txt
index 02522c6..3193be4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,6 +16,7 @@ include(KDECMakeSettings)
 include(KDEFrameworkCompilerSettings)
 
 include(GenerateExportHeader)
+include (CMakeDependentOption)
 
 include(ECMAddAppIcon)
 include(ECMGeneratePriFile)