diff --git a/PC/_winreg.c b/PC/_winreg.c
index edfadac..c86d2bb 100644
--- a/PC/_winreg.c
+++ b/PC/_winreg.c
@@ -521,8 +521,8 @@
 }
 
 static struct PyMethodDef PyHKEY_methods[] = {
-	{"Close",  PyHKEY_CloseMethod, 1, PyHKEY_Close_doc},
-	{"Detach", PyHKEY_DetachMethod, 1, PyHKEY_Detach_doc},
+	{"Close",  PyHKEY_CloseMethod, METH_VARARGS, PyHKEY_Close_doc},
+	{"Detach", PyHKEY_DetachMethod, METH_VARARGS, PyHKEY_Detach_doc},
 	{NULL}
 };
 
@@ -1382,23 +1382,23 @@
 }
 
 static struct PyMethodDef winreg_methods[] = {
-	{"CloseKey",         PyCloseKey,        1, CloseKey_doc},
-	{"ConnectRegistry",  PyConnectRegistry, 1, ConnectRegistry_doc},
-	{"CreateKey",        PyCreateKey,       1, CreateKey_doc},
-	{"DeleteKey",        PyDeleteKey,       1, DeleteKey_doc},
-	{"DeleteValue",      PyDeleteValue,     1, DeleteValue_doc},
-	{"EnumKey",          PyEnumKey,         1, EnumKey_doc},
-	{"EnumValue",        PyEnumValue,       1, EnumValue_doc},
-	{"FlushKey",         PyFlushKey,        1, FlushKey_doc},
-	{"LoadKey",          PyLoadKey,         1, LoadKey_doc},
-	{"OpenKey",          PyOpenKey,         1, OpenKey_doc},
-	{"OpenKeyEx",        PyOpenKey,         1, OpenKeyEx_doc},
-	{"QueryValue",       PyQueryValue,      1, QueryValue_doc},
-	{"QueryValueEx",     PyQueryValueEx,    1, QueryValueEx_doc},
-	{"QueryInfoKey",     PyQueryInfoKey,    1, QueryInfoKey_doc},
-	{"SaveKey",          PySaveKey,         1, SaveKey_doc},
-	{"SetValue",         PySetValue,        1, SetValue_doc},
-	{"SetValueEx",       PySetValueEx,      1, SetValueEx_doc},
+	{"CloseKey",         PyCloseKey,        METH_VARARGS, CloseKey_doc},
+	{"ConnectRegistry",  PyConnectRegistry, METH_VARARGS, ConnectRegistry_doc},
+	{"CreateKey",        PyCreateKey,       METH_VARARGS, CreateKey_doc},
+	{"DeleteKey",        PyDeleteKey,       METH_VARARGS, DeleteKey_doc},
+	{"DeleteValue",      PyDeleteValue,     METH_VARARGS, DeleteValue_doc},
+	{"EnumKey",          PyEnumKey,         METH_VARARGS, EnumKey_doc},
+	{"EnumValue",        PyEnumValue,       METH_VARARGS, EnumValue_doc},
+	{"FlushKey",         PyFlushKey,        METH_VARARGS, FlushKey_doc},
+	{"LoadKey",          PyLoadKey,         METH_VARARGS, LoadKey_doc},
+	{"OpenKey",          PyOpenKey,         METH_VARARGS, OpenKey_doc},
+	{"OpenKeyEx",        PyOpenKey,         METH_VARARGS, OpenKeyEx_doc},
+	{"QueryValue",       PyQueryValue,      METH_VARARGS, QueryValue_doc},
+	{"QueryValueEx",     PyQueryValueEx,    METH_VARARGS, QueryValueEx_doc},
+	{"QueryInfoKey",     PyQueryInfoKey,    METH_VARARGS, QueryInfoKey_doc},
+	{"SaveKey",          PySaveKey,         METH_VARARGS, SaveKey_doc},
+	{"SetValue",         PySetValue,        METH_VARARGS, SetValue_doc},
+	{"SetValueEx",       PySetValueEx,      METH_VARARGS, SetValueEx_doc},
 	NULL,
 };
 
diff --git a/PC/msvcrtmodule.c b/PC/msvcrtmodule.c
index 4584370..5afa45f 100755
--- a/PC/msvcrtmodule.c
+++ b/PC/msvcrtmodule.c
@@ -204,16 +204,16 @@
 
 /* List of functions exported by this module */
 static struct PyMethodDef msvcrt_functions[] = {
-	{"heapmin",		msvcrt_heapmin, 1},
-	{"locking",             msvcrt_locking, 1},
-	{"setmode",		msvcrt_setmode, 1},
-	{"open_osfhandle",	msvcrt_open_osfhandle, 1},
-	{"get_osfhandle",	msvcrt_get_osfhandle, 1},
-	{"kbhit",		msvcrt_kbhit, 1},
-	{"getch",		msvcrt_getch, 1},
-	{"getche",		msvcrt_getche, 1},
-	{"putch",		msvcrt_putch, 1},
-	{"ungetch",		msvcrt_ungetch, 1},
+	{"heapmin",		msvcrt_heapmin, METH_VARARGS},
+	{"locking",             msvcrt_locking, METH_VARARGS},
+	{"setmode",		msvcrt_setmode, METH_VARARGS},
+	{"open_osfhandle",	msvcrt_open_osfhandle, METH_VARARGS},
+	{"get_osfhandle",	msvcrt_get_osfhandle, METH_VARARGS},
+	{"kbhit",		msvcrt_kbhit, METH_VARARGS},
+	{"getch",		msvcrt_getch, METH_VARARGS},
+	{"getche",		msvcrt_getche, METH_VARARGS},
+	{"putch",		msvcrt_putch, METH_VARARGS},
+	{"ungetch",		msvcrt_ungetch, METH_VARARGS},
 	{NULL,			NULL}
 };
 
diff --git a/PC/winsound.c b/PC/winsound.c
index e182db5..704af6c 100644
--- a/PC/winsound.c
+++ b/PC/winsound.c
@@ -175,8 +175,8 @@
 
 static struct PyMethodDef sound_methods[] =
 {
-    {"PlaySound", sound_playsound, 1, sound_playsound_doc},
-    {"Beep",      sound_beep,      1, sound_beep_doc},
+    {"PlaySound", sound_playsound, METH_VARARGS, sound_playsound_doc},
+    {"Beep",      sound_beep,      METH_VARARGS, sound_beep_doc},
     {NULL,  NULL}
 };