diff --git a/Modules/signalmodule.c b/Modules/signalmodule.c
index 13806c7..0039777 100644
--- a/Modules/signalmodule.c
+++ b/Modules/signalmodule.c
@@ -7,6 +7,7 @@
 #include "intrcheck.h"
 
 #ifdef MS_WINDOWS
+#include <Windows.h>
 #ifdef HAVE_PROCESS_H
 #include <process.h>
 #endif
@@ -805,6 +806,18 @@
     	PyDict_SetItemString(d, "ItimerError", ItimerError);
 #endif
 
+#ifdef CTRL_C_EVENT
+    x = PyLong_FromLong(CTRL_C_EVENT);
+    PyDict_SetItemString(d, "CTRL_C_EVENT", x);
+    Py_DECREF(x);
+#endif
+
+#ifdef CTRL_BREAK_EVENT
+    x = PyLong_FromLong(CTRL_BREAK_EVENT);
+    PyDict_SetItemString(d, "CTRL_BREAK_EVENT", x);
+    Py_DECREF(x);
+#endif
+
     if (PyErr_Occurred()) {
 	    Py_DECREF(m);
 	    m = NULL;