diff --git a/Userland/Libraries/LibTLS/CMakeLists.txt b/Userland/Libraries/LibTLS/CMakeLists.txt
index e4194ac456..21dcdce4d2 100644
--- a/Userland/Libraries/LibTLS/CMakeLists.txt
+++ b/Userland/Libraries/LibTLS/CMakeLists.txt
@@ -1,3 +1,5 @@
+add_compile_options(-Wvla)
+
 set(SOURCES
     ClientHandshake.cpp
     Exchange.cpp