diff --git a/include/backend/drm/drm.h b/include/backend/drm/drm.h
index e0037dc8..d154d37f 100644
--- a/include/backend/drm/drm.h
+++ b/include/backend/drm/drm.h
@@ -225,7 +225,7 @@ struct wlr_drm_layer *get_drm_layer(struct wlr_drm_backend *drm,
 #define wlr_drm_conn_log(conn, verb, fmt, ...) \
 	wlr_log(verb, "connector %s: " fmt, conn->name __VA_OPT__(,) __VA_ARGS__)
 #define wlr_drm_conn_log_errno(conn, verb, fmt, ...) \
-	wlr_log_errno(verb, "connector %s: " fmt, conn->name __VA_OPT(,) __VA_ARGS__)
+	wlr_log_errno(verb, "connector %s: " fmt, conn->name __VA_OPT__(,) __VA_ARGS__)
 
 #else
 
diff --git a/include/render/vulkan.h b/include/render/vulkan.h
index 7abcf3ef..29403f01 100644
--- a/include/render/vulkan.h
+++ b/include/render/vulkan.h
@@ -518,7 +518,7 @@ void vulkan_change_layout(VkCommandBuffer cb, VkImage img,
 #if __STDC_VERSION__ >= 202311L
 
 #define wlr_vk_error(fmt, res, ...) wlr_log(WLR_ERROR, fmt ": %s (%d)", \
-	vulkan_strerror(res), res __VA_OPT(,) __VA_ARGS__)
+	vulkan_strerror(res), res __VA_OPT__(,) __VA_ARGS__)
 
 #else