diff --git a/tests/fenv_test.cpp b/tests/fenv_test.cpp
index 89c7fd5..d495970 100644
--- a/tests/fenv_test.cpp
+++ b/tests/fenv_test.cpp
@@ -202,6 +202,7 @@
   ASSERT_NE(-1, pid) << strerror(errno);
 
   if (pid == 0) {
+    signal(SIGFPE, SIG_DFL);  // Disable debuggerd.
     feclearexcept(FE_ALL_EXCEPT);
     ASSERT_EQ(0, fetestexcept(FE_ALL_EXCEPT));
     ASSERT_EQ(0, feenableexcept(FE_INVALID));