diff --git a/CMakeLists.txt b/CMakeLists.txt
index 812e9720f2..646aeefeb4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -187,7 +187,7 @@ if ( ZEEK_SANITIZERS )
                 list(APPEND _check_list "unreachable")
                 # list(APPEND _check_list "unsigned-integer-overflow") # Not truly UB
                 list(APPEND _check_list "vla-bound")
-                # list(APPEND _check_list "vptr") # TODO: fix associated errors
+                list(APPEND _check_list "vptr")
 
                 # Clang complains if this one is defined and the optimizer is set to -O0. We
                 # only set that optimization level if NO_OPTIMIZATIONS is passed, so disable