diff --git a/memtag.h b/memtag.h
index ea504bb..0a8a0b5 100644
--- a/memtag.h
+++ b/memtag.h
@@ -26,7 +26,7 @@
 // We assume that Top-Byte Ignore is enabled if the architecture supports memory
 // tagging. Not all operating systems enable TBI, so we only claim architectural
 // support for memory tagging if the operating system enables TBI.
-#if SCUDO_LINUX
+#if SCUDO_LINUX && !defined(SCUDO_DISABLE_TBI)
 inline constexpr bool archSupportsMemoryTagging() { return true; }
 #else
 inline constexpr bool archSupportsMemoryTagging() { return false; }