--- a/libkcddb/CMakeLists.txt
+++ b/libkcddb/CMakeLists.txt
@@ -1,6 +1,6 @@
 add_definitions(-DTRANSLATION_DOMAIN="libkcddb")
 
-set(KCDDB_INSTALL_INCLUDEDIR "${KDE_INSTALL_INCLUDEDIR}/KCddb5")
+set(KCDDB_INSTALL_INCLUDEDIR "${KDE_INSTALL_INCLUDEDIR}/KCddb")
 set(KCDDB_CMAKECONFIG_NAME "KF5Cddb")
 
 ecm_setup_version(${libkcddb_VERSION}