diff --git a/Modules/main.c b/Modules/main.c
index 6ed2cd7..1a58071 100644
--- a/Modules/main.c
+++ b/Modules/main.c
@@ -317,6 +317,8 @@
 
 		case '3':
 			Py_Py3kWarningFlag++;
+			if (!Py_DivisionWarningFlag)
+				Py_DivisionWarningFlag = 1;
 			break;
 
 		case 'Q':