diff --git a/Python/pythonrun.c b/Python/pythonrun.c
index f7335a2..e3836b8 100644
--- a/Python/pythonrun.c
+++ b/Python/pythonrun.c
@@ -78,6 +78,7 @@
 
 int Py_DebugFlag; /* Needed by parser.c */
 int Py_VerboseFlag; /* Needed by import.c */
+int Py_QuietFlag; /* Needed by sysmodule.c */
 int Py_InteractiveFlag; /* Needed by Py_FdIsInteractive() below */
 int Py_InspectFlag; /* Needed to determine whether to exit at SystemError */
 int Py_NoSiteFlag; /* Suppress 'import site' */
diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index 0a14f0e..730567e 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -1417,7 +1417,8 @@
 #endif
     /* {"unbuffered",                   "-u"}, */
     /* {"skip_first",                   "-x"}, */
-    {"bytes_warning", "-b"},
+    {"bytes_warning",           "-b"},
+    {"quiet",                   "-q"},
     {0}
 };
 
@@ -1461,6 +1462,7 @@
     /* SetFlag(saw_unbuffered_flag); */
     /* SetFlag(skipfirstline); */
     SetFlag(Py_BytesWarningFlag);
+    SetFlag(Py_QuietFlag);
 #undef SetFlag
 
     if (PyErr_Occurred()) {