diff --git a/clangd/config.yaml b/clangd/config.yaml
new file mode 100644
index 0000000..7d5f515
--- /dev/null
+++ b/clangd/config.yaml
@@ -0,0 +1,4 @@
+If:
+  PathMatch: '.*\.h$'
+CompileFlags:
+  Add: [-xc, -std=c11]