diff --git a/system/vulkan_enc/vk_format_info.h b/system/vulkan_enc/vk_format_info.h
index 3bac828..0337f95 100644
--- a/system/vulkan_enc/vk_format_info.h
+++ b/system/vulkan_enc/vk_format_info.h
@@ -58,7 +58,7 @@
 }
 
 static inline unsigned
-android_format_from_vk(unsigned vk_format)
+android_format_from_vk(VkFormat vk_format)
 {
    switch (vk_format) {
    case VK_FORMAT_R8G8B8A8_UNORM: