diff --git a/ggml/src/ggml-opt.cpp b/ggml/src/ggml-opt.cpp
index 808aa0d..040205a 100644
--- a/ggml/src/ggml-opt.cpp
+++ b/ggml/src/ggml-opt.cpp
@@ -8,7 +8,7 @@
 #include <algorithm>
 #include <cmath>
 #include <cstdint>
-#include <inttypes.h>
+#include <cinttypes>
 #include <map>
 #include <random>
 #include <vector>