diff --git a/src/header/_aio/cbindgen.toml b/src/header/_aio/cbindgen.toml
index ef89f387ac..f7e9c7085c 100644
--- a/src/header/_aio/cbindgen.toml
+++ b/src/header/_aio/cbindgen.toml
@@ -2,7 +2,8 @@ sys_includes = []
 include_guard = "_AIO_H"
 language = "C"
 style = "Tag"
-no_default_includes = true
+no_includes = true
+cpp_compat = true
 
 [enum]
 prefix_with_name = true
diff --git a/src/header/_fenv/cbindgen.toml b/src/header/_fenv/cbindgen.toml
index f30e910488..dc3df6a78a 100644
--- a/src/header/_fenv/cbindgen.toml
+++ b/src/header/_fenv/cbindgen.toml
@@ -2,7 +2,8 @@ sys_includes = ["stdint.h", "sys/types.h"]
 include_guard = "_FENV_H"
 language = "C"
 style = "Tag"
-no_default_includes = true
+no_includes = true
+cpp_compat = true
 
 [enum]
 prefix_with_name = true