diff --git a/audio/vst3sdk/files/patch-vstgui4_vstgui_lib_platform_linux_x11fileselector.cpp b/audio/vst3sdk/files/patch-vstgui4_vstgui_lib_platform_linux_x11fileselector.cpp
new file mode 100644
index 0000000000000..2abd3361891aa
--- /dev/null
+++ b/audio/vst3sdk/files/patch-vstgui4_vstgui_lib_platform_linux_x11fileselector.cpp
@@ -0,0 +1,13 @@
+- fix missing include, see https://github.com/steinbergmedia/vst3sdk/issues/80
+
+--- vstgui4/vstgui/lib/platform/linux/x11fileselector.cpp.orig	2021-04-15 16:36:46 UTC
++++ vstgui4/vstgui/lib/platform/linux/x11fileselector.cpp
+@@ -6,6 +6,8 @@
+ #include <unistd.h>
+ #include <string>
+ 
++#include <stdio.h>
++
+ //------------------------------------------------------------------------
+ namespace VSTGUI {
+ namespace X11 {