diff --git a/src/basic/missing_loop.h b/src/basic/missing_loop.h
index c29082f519b..b88501d78b3 100644
--- a/src/basic/missing_loop.h
+++ b/src/basic/missing_loop.h
@@ -23,9 +23,9 @@ assert_cc(LOOP_CONFIGURE == 0x4C0A);
 #  define LOOP_SET_DIRECT_IO 0x4C08
 #else
 assert_cc(LO_FLAGS_DIRECT_IO == 16);
-assert_cc(LO_FLAGS_DIRECT_IO == 0x4C08);
+assert_cc(LOOP_SET_DIRECT_IO == 0x4C08);
 #endif
 
 #ifndef LOOP_SET_STATUS_SETTABLE_FLAGS
-#  define LOOP_SET_STATUS_SETTABLE_FLAGS (LO_FLAGS_AUTOCLEAR | LO_FLAGS_PARTSCAN | LO_FLAGS_DIRECT_IO)
+#  define LOOP_SET_STATUS_SETTABLE_FLAGS (LO_FLAGS_AUTOCLEAR | LO_FLAGS_PARTSCAN)
 #endif