diff --git a/src/header/bits_pthread/cbindgen.toml b/src/header/bits_pthread/cbindgen.toml
index 5e37edbb7c..aa7488e419 100644
--- a/src/header/bits_pthread/cbindgen.toml
+++ b/src/header/bits_pthread/cbindgen.toml
@@ -5,10 +5,10 @@ style = "type"
 no_includes = true
 cpp_compat = true
 trailer = """
-#define PTHREAD_COND_INITIALIZER {0}
-#define PTHREAD_MUTEX_INITIALIZER {0}
-#define PTHREAD_ONCE_INIT {0}
-#define PTHREAD_RWLOCK_INITIALIZER {0}
+#define PTHREAD_COND_INITIALIZER ((pthread_cond_t){0})
+#define PTHREAD_MUTEX_INITIALIZER ((pthread_mutex_t){0})
+#define PTHREAD_ONCE_INIT ((pthread_once_t){0})
+#define PTHREAD_RWLOCK_INITIALIZER ((pthread_rwlock_t){0})
 """
 
 [export.rename]