diff --git a/crates/spacewasm_c_api/cbindgen.toml b/crates/spacewasm_c_api/cbindgen.toml
index 440cb8f..eb64f21 100644
--- a/crates/spacewasm_c_api/cbindgen.toml
+++ b/crates/spacewasm_c_api/cbindgen.toml
@@ -13,10 +13,14 @@ header = """/*
  */"""
 after_includes = """
 
-#if !defined(SPACEWASM_NORETURN)
-#  if defined(__has_c_attribute) && __has_c_attribute(noreturn)
+#if !defined(SPACEWASM_NORETURN) && defined(__has_c_attribute)
+#  if __has_c_attribute(noreturn)
 #    define SPACEWASM_NORETURN [[noreturn]] /* Standard C23 attribute */
-#  elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)
+#  endif
+#endif
+
+#if !defined(SPACEWASM_NORETURN)
+#  if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)
 #    define SPACEWASM_NORETURN _Noreturn /* Standard C11 keyword */
 #  elif defined(__GNUC__) || defined(__clang__)
 #    define SPACEWASM_NORETURN __attribute__((noreturn)) /* GCC / Clang extension */
diff --git a/crates/spacewasm_c_api/include/spacewasm.h b/crates/spacewasm_c_api/include/spacewasm.h
index 2f5d56c..fce63ad 100644
--- a/crates/spacewasm_c_api/include/spacewasm.h
+++ b/crates/spacewasm_c_api/include/spacewasm.h
@@ -10,10 +10,14 @@
 #include <stdint.h>
 #include <stddef.h>
 
-#if !defined(SPACEWASM_NORETURN)
-#  if defined(__has_c_attribute) && __has_c_attribute(noreturn)
+#if !defined(SPACEWASM_NORETURN) && defined(__has_c_attribute)
+#  if __has_c_attribute(noreturn)
 #    define SPACEWASM_NORETURN [[noreturn]] /* Standard C23 attribute */
-#  elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)
+#  endif
+#endif
+
+#if !defined(SPACEWASM_NORETURN)
+#  if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)
 #    define SPACEWASM_NORETURN _Noreturn /* Standard C11 keyword */
 #  elif defined(__GNUC__) || defined(__clang__)
 #    define SPACEWASM_NORETURN __attribute__((noreturn)) /* GCC / Clang extension */