diff --git a/cmake/tomlplusplus.cmake.in b/cmake/tomlplusplus.cmake.in
index 4a836da3..ef36b9f9 100644
--- a/cmake/tomlplusplus.cmake.in
+++ b/cmake/tomlplusplus.cmake.in
@@ -6,7 +6,7 @@ if(NOT TARGET tomlplusplus::tomlplusplus)
   # Import tomlplusplus interface library
   add_library(tomlplusplus::tomlplusplus INTERFACE IMPORTED)
   set_target_properties(tomlplusplus::tomlplusplus PROPERTIES
-    INTERFACE_INCLUDE_DIRECTORIES "${PACKAGE_PREFIX_DIR}/include")
+    INTERFACE_INCLUDE_DIRECTORIES "${PACKAGE_PREFIX_DIR}/@includedir@")
 
   # Require C++17
   target_compile_features(tomlplusplus::tomlplusplus INTERFACE cxx_std_17)
diff --git a/meson.build b/meson.build
index 6758a046..bf0bb032 100644
--- a/meson.build
+++ b/meson.build
@@ -544,10 +544,12 @@ if get_option('generate_cmake_config') and not is_subproject
 		install_dir: get_option('datadir')/'cmake'/meson.project_name()
 	)
 
+	cmake_conf = configuration_data({'includedir': get_option('includedir')})
+
 	cmake.configure_package_config_file(
 		name: meson.project_name(),
 		input: 'cmake'/'tomlplusplus.cmake.in',
-		configuration: configuration_data(), # empty conf, not needed
+		configuration: cmake_conf,
 		install_dir: get_option('datadir')/'cmake'/meson.project_name(),
 	)
 endif