diff --git a/src/vulkan/util/vk_util.h b/src/vulkan/util/vk_util.h
index 019ab5bf793..7a33e77def3 100644
--- a/src/vulkan/util/vk_util.h
+++ b/src/vulkan/util/vk_util.h
@@ -278,8 +278,14 @@ vk_spec_info_to_nir_spirv(const VkSpecializationInfo *spec_info,
 
 #define STACK_ARRAY_SIZE 8
 
+#ifdef __cplusplus
+#define STACK_ARRAY_ZERO_INIT {}
+#else
+#define STACK_ARRAY_ZERO_INIT {0}
+#endif
+
 #define STACK_ARRAY(type, name, size) \
-   type _stack_##name[STACK_ARRAY_SIZE] = {0}; \
+   type _stack_##name[STACK_ARRAY_SIZE] = STACK_ARRAY_ZERO_INIT; \
    type *const name = \
      ((size) <= STACK_ARRAY_SIZE ? _stack_##name : (type *)malloc((size) * sizeof(type)))