diff --git a/rpcs3/stdafx.h b/rpcs3/stdafx.h
index b1e768dc52..e2f04ca1b1 100644
--- a/rpcs3/stdafx.h
+++ b/rpcs3/stdafx.h
@@ -22,3 +22,7 @@
 #include <unordered_map> // IWYU pragma: export
 #include <algorithm>     // IWYU pragma: export
 #include <string_view>   // IWYU pragma: export
+
+#if defined(__INTELLISENSE__) && !defined(LLVM_AVAILABLE)
+#define LLVM_AVAILABLE
+#endif