diff --git a/Tests/CMakeLists.txt b/Tests/CMakeLists.txt
index bf5502d4d4..d31836b5f2 100644
--- a/Tests/CMakeLists.txt
+++ b/Tests/CMakeLists.txt
@@ -13,6 +13,8 @@ add_subdirectory(LibRegex)
 add_subdirectory(LibSQL)
 add_subdirectory(LibWasm)
 add_subdirectory(LibWeb)
-add_subdirectory(UserspaceEmulator)
+if (${SERENITY_ARCH} STREQUAL "i686")
+    add_subdirectory(UserspaceEmulator)
+endif()
 add_subdirectory(LibCrypto)
 add_subdirectory(LibTLS)