diff --git a/ggml/src/ggml-vulkan/ggml-vulkan-types.h b/ggml/src/ggml-vulkan/ggml-vulkan-types.h
index 84962be04..bc5de0e87 100644
--- a/ggml/src/ggml-vulkan/ggml-vulkan-types.h
+++ b/ggml/src/ggml-vulkan/ggml-vulkan-types.h
@@ -51,6 +51,8 @@ typedef struct VkPhysicalDeviceCooperativeMatrixDecodeVectorFeaturesNV {
 
 #include <cmath>
 
+#include <functional>
+
 #include <iomanip>
 
 #include <iostream>