diff --git a/src/vulkan/wsi/wsi_common_wayland.c b/src/vulkan/wsi/wsi_common_wayland.c
index 9463a9c55bc..6c77ce42781 100644
--- a/src/vulkan/wsi/wsi_common_wayland.c
+++ b/src/vulkan/wsi/wsi_common_wayland.c
@@ -449,7 +449,7 @@ wl_drm_format_for_vk_format(VkFormat vk_format, bool alpha)
 
    default:
       assert(!"Unsupported Vulkan format");
-      return 0;
+      return DRM_FORMAT_INVALID;
    }
 }