diff --git a/Meta/Lagom/CMakeLists.txt b/Meta/Lagom/CMakeLists.txt
index 1406ca8917..7b5928aacd 100644
--- a/Meta/Lagom/CMakeLists.txt
+++ b/Meta/Lagom/CMakeLists.txt
@@ -7,41 +7,43 @@ else()
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++2a -fPIC -g -Wno-deprecated-copy")
 endif()
 
+if (ENABLE_ADDRESS_SANITIZER)
+    add_definitions(-fsanitize=address -fno-omit-frame-pointer)
+    set(LINKER_FLAGS "${LINKER_FLAGS} -fsanitize=address")
+endif()
+
+if (ENABLE_MEMORY_SANITIZER)
+    add_definitions(-fsanitize=memory -fsanitize-memory-track-origins -fno-omit-frame-pointer)
+    set(LINKER_FLAGS "${LINKER_FLAGS} -fsanitize=memory -fsanitize-memory-track-origins")
+endif()
+
+if (ENABLE_UNDEFINED_SANITIZER)
+    add_definitions(-fsanitize=undefined -fno-sanitize=vptr -fno-omit-frame-pointer)
+    set(LINKER_FLAGS "${LINKER_FLAGS} -fsanitize=undefined -fno-sanitize=vptr")
+endif()
+
 if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang$")
     # Clang's default constexpr-steps limit is 1048576(2^20), GCC doesn't have one
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-overloaded-virtual -Wno-user-defined-literals -fconstexpr-steps=16777216")
 
-    if (ENABLE_ADDRESS_SANITIZER)
-        add_definitions(-fsanitize=address -fno-omit-frame-pointer)
-        set(LINKER_FLAGS "${LINKER_FLAGS} -fsanitize=address")
-    endif()
-
-    if (ENABLE_MEMORY_SANITIZER)
-        add_definitions(-fsanitize=memory -fsanitize-memory-track-origins -fno-omit-frame-pointer)
-        set(LINKER_FLAGS "${LINKER_FLAGS} -fsanitize=memory -fsanitize-memory-track-origins")
-    endif()
-
-    if (ENABLE_UNDEFINED_SANITIZER)
-        add_definitions(-fsanitize=undefined -fno-omit-frame-pointer)
-        set(LINKER_FLAGS "${LINKER_FLAGS} -fsanitize=undefined")
-    endif()
-
     if (ENABLE_FUZZER_SANITIZER)
         add_definitions(-fsanitize=fuzzer -fno-omit-frame-pointer)
         set(LINKER_FLAGS "${LINKER_FLAGS} -fsanitize=fuzzer")
     endif()
 
-    set(ORIGINAL_CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS}")
-    set(ORIGINAL_CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS}")
-    set(ORIGINAL_CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS}")
-
-    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${LINKER_FLAGS}")
-    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${LINKER_FLAGS}")
-    set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} ${LINKER_FLAGS}")
 elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-expansion-to-defined -Wno-literal-suffix")
 endif()
 
+# These are here to support Fuzzili builds further down the directory stack
+set(ORIGINAL_CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS}")
+set(ORIGINAL_CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS}")
+set(ORIGINAL_CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS}")
+
+set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${LINKER_FLAGS}")
+set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${LINKER_FLAGS}")
+set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} ${LINKER_FLAGS}")
+
 file(GLOB AK_SOURCES CONFIGURE_DEPENDS "../../AK/*.cpp")
 file(GLOB AK_TEST_SOURCES CONFIGURE_DEPENDS "../../Tests/AK/*.cpp")
 file(GLOB LIBARCHIVE_SOURCES CONFIGURE_DEPENDS "../../Userland/Libraries/LibArchive/*.cpp")