diff --git a/ggml/include/ggml-cpu.h b/ggml/include/ggml-cpu.h
--- a/transcribe.cpp/ggml/include/ggml-cpu.h
+++ b/transcribe.cpp/ggml/include/ggml-cpu.h
@@ -131,9 +131,9 @@ extern "C" {
     GGML_BACKEND_API ggml_backend_t ggml_backend_cpu_init(void);
 
     GGML_BACKEND_API bool ggml_backend_is_cpu                (ggml_backend_t backend);
-    GGML_BACKEND_API void ggml_backend_cpu_set_n_threads     (ggml_backend_t backend_cpu, int n_threads);
-    GGML_BACKEND_API void ggml_backend_cpu_set_threadpool    (ggml_backend_t backend_cpu, ggml_threadpool_t threadpool);
-    GGML_BACKEND_API void ggml_backend_cpu_set_abort_callback(ggml_backend_t backend_cpu, ggml_abort_callback abort_callback, void * abort_callback_data);
+    GGML_BACKEND_API void GGML_CALL ggml_backend_cpu_set_n_threads     (ggml_backend_t backend_cpu, int n_threads);
+    GGML_BACKEND_API void            ggml_backend_cpu_set_threadpool    (ggml_backend_t backend_cpu, ggml_threadpool_t threadpool);
+    GGML_BACKEND_API void GGML_CALL ggml_backend_cpu_set_abort_callback(ggml_backend_t backend_cpu, ggml_abort_callback abort_callback, void * abort_callback_data);
 
     GGML_BACKEND_API void ggml_backend_cpu_set_use_ref(ggml_backend_t backend_cpu, bool use_ref);
 
