diff --git a/src/llama-context.cpp b/src/llama-context.cpp
index 874c6f82cb958..3e163001c180b 100644
--- a/src/llama-context.cpp
+++ b/src/llama-context.cpp
@@ -1447,7 +1447,9 @@ ggml_status llama_context::graph_compute(
     if (backend_cpu != nullptr) {
         auto * reg = ggml_backend_dev_backend_reg(ggml_backend_get_device(backend_cpu));
         auto * set_threadpool_fn = (decltype(ggml_backend_cpu_set_threadpool) *) ggml_backend_reg_get_proc_address(reg, "ggml_backend_cpu_set_threadpool");
-        set_threadpool_fn(backend_cpu, tp);
+        if (set_threadpool_fn) {
+            set_threadpool_fn(backend_cpu, tp);
+        }
     }
 
     // set the number of threads for all the backends
diff --git a/src/llama.cpp b/src/llama.cpp
index f0d4f5f891cc7..92cddccc9944c 100644
--- a/src/llama.cpp
+++ b/src/llama.cpp
@@ -83,7 +83,9 @@ void llama_numa_init(enum ggml_numa_strategy numa) {
         GGML_ASSERT(dev && "CPU backend is not loaded");
         auto * reg = ggml_backend_dev_backend_reg(dev);
         auto * numa_init_fn = (decltype(ggml_numa_init) *) ggml_backend_reg_get_proc_address(reg, "ggml_backend_cpu_numa_init");
-        numa_init_fn(numa);
+        if (numa_init_fn) {
+            numa_init_fn(numa);
+        }
     }
 }