diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -224,6 +224,7 @@
              QCA_LIBRARY_INSTALL_DIR
              QCA_FEATURE_INSTALL_DIR
              QCA_INCLUDE_INSTALL_DIR
+             QCA_FULL_INCLUDE_INSTALL_DIR
              QCA_PRIVATE_INCLUDE_INSTALL_DIR
              QCA_DOC_INSTALL_DIR
              QCA_MAN_INSTALL_DIR
@@ -265,6 +266,7 @@
                QCA_LIBRARY_INSTALL_DIR
                QCA_FEATURE_INSTALL_DIR
                QCA_INCLUDE_INSTALL_DIR
+               QCA_FULL_INCLUDE_INSTALL_DIR
                QCA_PRIVATE_INCLUDE_INSTALL_DIR
                QCA_DOC_INSTALL_DIR
                QCA_MAN_INSTALL_DIR