diff --git a/src/node.cc b/src/node.cc
index 42e24a718c5475..612a11524e5f61 100644
--- a/src/node.cc
+++ b/src/node.cc
@@ -692,6 +692,12 @@ const char *signo_string(int signo) {
 # endif
 #endif
 
+#ifdef SIGINFO
+# if !defined(SIGPWR) || SIGINFO != SIGPWR
+  SIGNO_CASE(SIGINFO);
+# endif
+#endif
+
 #ifdef SIGSYS
   SIGNO_CASE(SIGSYS);
 #endif
diff --git a/src/node_constants.cc b/src/node_constants.cc
index ed75b01fbf9213..87443c95be1b6d 100644
--- a/src/node_constants.cc
+++ b/src/node_constants.cc
@@ -716,6 +716,10 @@ void DefineSignalConstants(Local<Object> target) {
   NODE_DEFINE_CONSTANT(target, SIGPWR);
 #endif
 
+#ifdef SIGINFO
+  NODE_DEFINE_CONSTANT(target, SIGINFO);
+#endif
+
 #ifdef SIGSYS
   NODE_DEFINE_CONSTANT(target, SIGSYS);
 #endif