diff --git a/qtest.c b/qtest.c
index 05cefd2..8e10340 100644
--- a/qtest.c
+++ b/qtest.c
@@ -657,6 +657,7 @@
 
     inbuf = g_string_new("");
     qtest_chr = chr;
+    page_size_init();
 }
 
 bool qtest_driver(void)