diff --git a/Meta/CMake/fontconfig.cmake b/Meta/CMake/fontconfig.cmake
index cd16431a3d0..4ea63d69bee 100644
--- a/Meta/CMake/fontconfig.cmake
+++ b/Meta/CMake/fontconfig.cmake
@@ -1,3 +1,5 @@
+include_guard()
+
 if (NOT APPLE AND NOT ANDROID)
     find_package(Fontconfig REQUIRED)
     set(HAS_FONTCONFIG ON CACHE BOOL "" FORCE)
diff --git a/Meta/CMake/vulkan.cmake b/Meta/CMake/vulkan.cmake
index e59c9c564f9..c9847706dce 100644
--- a/Meta/CMake/vulkan.cmake
+++ b/Meta/CMake/vulkan.cmake
@@ -1,3 +1,5 @@
+include_guard()
+
 if (NOT APPLE)
     find_package(VulkanHeaders CONFIG QUIET)
     find_package(Vulkan QUIET)