diff --git a/llama.cpp b/llama.cpp
index 4e4495739..888d0ea9c 100644
--- a/llama.cpp
+++ b/llama.cpp
@@ -1044,7 +1044,7 @@ struct llama_mlock {
         }
     }
 
-#ifdef _POSIX_MEMLOCK_RANGE
+#if defined(_POSIX_MEMLOCK_RANGE) && defined(RLIMIT_MEMLOCK)
     static constexpr bool SUPPORTED = true;
 
     static size_t lock_granularity() {