diff --git a/Python/ceval.c b/Python/ceval.c
index 018c8af..45f6556 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -302,7 +302,7 @@
 
 static int recursion_limit = 1000;
 
-int Py_GetRecursionLimit()
+int Py_GetRecursionLimit(void)
 {
 	return recursion_limit;
 }