diff --git a/src/if_python3.c b/src/if_python3.c
index badf015..6849f1f 100644
--- a/src/if_python3.c
+++ b/src/if_python3.c
@@ -126,7 +126,6 @@
 # define PyErr_PrintEx py3_PyErr_PrintEx
 # define PyErr_NoMemory py3_PyErr_NoMemory
 # define PyErr_Occurred py3_PyErr_Occurred
-# define PyErr_PrintEx py3_PyErr_PrintEx
 # define PyErr_SetNone py3_PyErr_SetNone
 # define PyErr_SetString py3_PyErr_SetString
 # define PyErr_SetObject py3_PyErr_SetObject
@@ -403,6 +402,7 @@
 static PyObject *p3imp_PyExc_KeyboardInterrupt;
 static PyObject *p3imp_PyExc_TypeError;
 static PyObject *p3imp_PyExc_ValueError;
+static PyObject *p3imp_PyExc_SystemExit;
 static PyObject *p3imp_PyExc_RuntimeError;
 static PyObject *p3imp_PyExc_ImportError;
 static PyObject *p3imp_PyExc_OverflowError;
@@ -413,6 +413,7 @@
 # define PyExc_KeyboardInterrupt p3imp_PyExc_KeyboardInterrupt
 # define PyExc_TypeError p3imp_PyExc_TypeError
 # define PyExc_ValueError p3imp_PyExc_ValueError
+# define PyExc_SystemExit p3imp_PyExc_SystemExit
 # define PyExc_RuntimeError p3imp_PyExc_RuntimeError
 # define PyExc_ImportError p3imp_PyExc_ImportError
 # define PyExc_OverflowError p3imp_PyExc_OverflowError
@@ -681,6 +682,7 @@
     p3imp_PyExc_KeyboardInterrupt = PyDict_GetItemString(exdict, "KeyboardInterrupt");
     p3imp_PyExc_TypeError = PyDict_GetItemString(exdict, "TypeError");
     p3imp_PyExc_ValueError = PyDict_GetItemString(exdict, "ValueError");
+    p3imp_PyExc_SystemExit = PyDict_GetItemString(exdict, "SystemExit");
     p3imp_PyExc_RuntimeError = PyDict_GetItemString(exdict, "RuntimeError");
     p3imp_PyExc_ImportError = PyDict_GetItemString(exdict, "ImportError");
     p3imp_PyExc_OverflowError = PyDict_GetItemString(exdict, "OverflowError");
@@ -690,6 +692,7 @@
     Py_XINCREF(p3imp_PyExc_KeyboardInterrupt);
     Py_XINCREF(p3imp_PyExc_TypeError);
     Py_XINCREF(p3imp_PyExc_ValueError);
+    Py_XINCREF(p3imp_PyExc_SystemExit);
     Py_XINCREF(p3imp_PyExc_RuntimeError);
     Py_XINCREF(p3imp_PyExc_ImportError);
     Py_XINCREF(p3imp_PyExc_OverflowError);