diff --git a/lib/libc/compat-43/creat.c b/lib/libc/compat-43/creat.c
index 45454824ba6..983ff928bc0 100644
--- a/lib/libc/compat-43/creat.c
+++ b/lib/libc/compat-43/creat.c
@@ -41,6 +41,8 @@ __FBSDID("$FreeBSD$");
 __weak_reference(__creat, creat);
 __weak_reference(__creat, _creat);
 
+int __creat(const char *path, mode_t mode);
+
 #pragma weak creat
 int
 __creat(const char *path, mode_t mode)