diff --git a/sdk/vst/vstsdk2.4.patch b/sdk/vst/vstsdk2.4.patch
new file mode 100644
index 0000000..5b8371e
--- /dev/null
+++ b/sdk/vst/vstsdk2.4.patch
@@ -0,0 +1,24 @@
+diff -ruN temp/vstsdk2.4/public.sdk/source/vst2.x/audioeffect.cpp ./vstsdk2.4/public.sdk/source/vst2.x/audioeffect.cpp
+--- temp/vstsdk2.4/public.sdk/source/vst2.x/audioeffect.cpp	2006-06-07 09:22:02.000000000 +0200
++++ ./vstsdk2.4/public.sdk/source/vst2.x/audioeffect.cpp	2025-08-02 10:01:34.082302630 +0200
+@@ -7,7 +7,7 @@
+ // Created by   : Steinberg Media Technologies
+ // Description  : Class AudioEffect (VST 1.0)
+ //
+-// © 2006, Steinberg Media Technologies, All Rights Reserved
++// � 2006, Steinberg Media Technologies, All Rights Reserved
+ //-------------------------------------------------------------------------------------------------------
+ 
+ #include "audioeffect.h"
+@@ -507,9 +507,10 @@
+ 	{
+ 		VstInt32 digit = value / div;
+ 		value -= digit * div;
++		const char digit8 = (char)(digit & 0xFF) + '0';
+ 		if (state || digit > 0)
+ 		{
+-			char temp[2] = {'0' + (char)digit, '\0'};
++			char temp[2] = {digit8, '\0'};
+ 			vst_strncat (text, temp, maxLen);
+ 			state = true;
+ 		}