--- vst3sdk-3.8.0_build_66/pluginterfaces/base/fstrdefs.h.orig	2025-10-20 10:55:23.000000000 -0600
+++ vst3sdk-3.8.0_build_66/pluginterfaces/base/fstrdefs.h	2025-11-22 14:16:53.665832662 -0700
@@ -48,8 +48,13 @@
 #define FORMAT_UINT64A "I64u"
 
 #elif SMTG_OS_MACOS || SMTG_OS_LINUX
+#if __WORDSIZE == 64
+#define FORMAT_INT64A  "ld"
+#define FORMAT_UINT64A "lu"
+#else
 #define FORMAT_INT64A  "lld"
 #define FORMAT_UINT64A "llu"
+#endif
 #define stricmp		strcasecmp
 #define strnicmp	strncasecmp
 #endif
--- vst3sdk-3.8.0_build_66/pluginterfaces/base/ustring.cpp.orig	2025-10-20 10:55:23.000000000 -0600
+++ vst3sdk-3.8.0_build_66/pluginterfaces/base/ustring.cpp	2025-11-22 14:20:30.967786495 -0700
@@ -225,7 +225,11 @@ bool UString::scanInt (int64& value) con
 
 #elif SMTG_OS_LINUX
 	auto str = converter ().to_bytes (thisBuffer);
+#if __WORDSIZE == 64
+	return sscanf (str.data (), "%ld", &value) == 1;
+#else
 	return sscanf (str.data (), "%lld", &value) == 1;
+#endif
 
 #else
 #warning Implement me
@@ -253,7 +257,11 @@ bool UString::printInt (int64 value)
 	return false;
 #elif SMTG_OS_LINUX
 	auto utf8Buffer = reinterpret_cast<char*> (thisBuffer);
+#if __WORDSIZE == 64
+	auto len = snprintf (utf8Buffer, thisSize, "%ld", value);
+#else
 	auto len = snprintf (utf8Buffer, thisSize, "%lld", value);
+#endif
 	if (len > 0)
 	{
 		auto utf16Buffer = reinterpret_cast<char16*> (thisBuffer);