diff --git a/util/signal_test.cc b/util/signal_test.cc
index f51fa548e..b23ad6a98 100644
--- a/util/signal_test.cc
+++ b/util/signal_test.cc
@@ -9,6 +9,7 @@
 namespace {
 void f0() {
   char *p = nullptr;
+  // cppcheck-suppress nullPointer
   *p = 10;  /* SIGSEGV here!! */
 }