diff --git i/dbus/dbus-internals.c w/dbus/dbus-internals.c
index 267aef97..b1064e85 100644
--- i/dbus/dbus-internals.c
+++ w/dbus/dbus-internals.c
@@ -185,7 +185,7 @@ const char *_dbus_no_memory_message = "Not enough memory";
 
 static dbus_bool_t warn_initted = FALSE;
 static dbus_bool_t fatal_warnings = FALSE;
-static dbus_bool_t fatal_warnings_on_check_failed = TRUE;
+static dbus_bool_t fatal_warnings_on_check_failed = FALSE;
 
 static void
 init_warnings(void)