diff --git a/pafish/gensandbox.c b/pafish/gensandbox.c
index 21be90c..c4edca0 100644
--- a/pafish/gensandbox.c
+++ b/pafish/gensandbox.c
@@ -156,6 +156,6 @@ int gensandbox_less_than_onegb() {
 	statex.dwLength = sizeof (statex);
 
 	GlobalMemoryStatusEx(&statex);
-	return (statex.ullAvailPhys/1024) < 1048576 ? TRUE : FALSE;
+	return (statex.ullTotalPhys/1024) < 1048576 ? TRUE : FALSE;
 }