diff --git a/srcpkgs/artyfx/patches/fix-lv2-1.18.patch b/srcpkgs/artyfx/patches/fix-lv2-1.18.patch
new file mode 100644
index 00000000000..adf23e20fb0
--- /dev/null
+++ b/srcpkgs/artyfx/patches/fix-lv2-1.18.patch
@@ -0,0 +1,11 @@
+--- src/ui/lv2_ui.cxx	2016-12-24 20:36:45.000000000 +0100
++++ src/ui/lv2_ui.cxx	2020-12-25 22:17:21.206336431 +0100
+@@ -33,7 +33,7 @@
+ #include "whaaa.hxx"
+ 
+ 
+-static LV2UI_Handle artyfx_instantiate(const struct _LV2UI_Descriptor * descriptor,
++static LV2UI_Handle artyfx_instantiate(const struct LV2UI_Descriptor * descriptor,
+                                        const char * plugin_uri,
+                                        const char * bundle_path,
+                                        LV2UI_Write_Function write_function,