diff --git a/CMakeLists.txt b/CMakeLists.txt
index c6fcc268..745aacc9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -49,6 +49,7 @@ xo_export_cmake_config(${PROJECT_NAME} ${PROJECT_VERSION} ${PROJECT_NAME}Targets
 # ----------------------------------------------------------------
 # input dependencies
 
+# NOTE: dependency set here must be kept consistent with ordinaltree/cmake/xo_ordinaltreeConfig.cmake.in
+
 # xo-ordinaltree is also header-only
-#
 xo_headeronly_dependency(${SELF_LIB} randomgen)
diff --git a/cmake/xo_ordinaltreeConfig.cmake.in b/cmake/xo_ordinaltreeConfig.cmake.in
index 8fbf8cb5..7e308d14 100644
--- a/cmake/xo_ordinaltreeConfig.cmake.in
+++ b/cmake/xo_ordinaltreeConfig.cmake.in
@@ -1,5 +1,6 @@
 @PACKAGE_INIT@
 
+include(CMakeFindDependencyMacro)
+find_dependency(randomgen)
 include("${CMAKE_CURRENT_LIST_DIR}/@PROJECT_NAME@Targets.cmake")
 check_required_components("@PROJECT_NAME@")
-