diff --git a/test/test-functions b/test/test-functions
index 057be62e89..3243a868b7 100644
--- a/test/test-functions
+++ b/test/test-functions
@@ -344,8 +344,8 @@ create_asan_wrapper() {
 set -x
 
 DEFAULT_ASAN_OPTIONS=strict_string_checks=1:detect_stack_use_after_return=1:check_initialization_order=1:strict_init_order=1
-DEFAULT_UBSAN_OPTIONS=print_stacktrace=1:print_summary=1
-DEFAULT_ENVIRONMENT="ASAN_OPTIONS=\$DEFAULT_ASAN_OPTIONS UBSAN_OPTIONS=\$DEFAULT_UBSAN_OPTIONS:halt_on_error=1"
+DEFAULT_UBSAN_OPTIONS=print_stacktrace=1:print_summary=1:halt_on_error=1
+DEFAULT_ENVIRONMENT="ASAN_OPTIONS=\$DEFAULT_ASAN_OPTIONS UBSAN_OPTIONS=\$DEFAULT_UBSAN_OPTIONS"
 
 mount -t proc proc /proc
 mount -t sysfs sysfs /sys