diff --git a/src/hb.hh b/src/hb.hh
index 829b5a1..1f14267 100644
--- a/src/hb.hh
+++ b/src/hb.hh
@@ -62,6 +62,7 @@
 
 /* Error.  Should never happen. */
 #ifndef HB_NO_PRAGMA_GCC_DIAGNOSTIC_ERROR
+#pragma GCC diagnostic error   "-Wbitwise-instead-of-logical"
 #pragma GCC diagnostic error   "-Wcast-align"
 #pragma GCC diagnostic error   "-Wcast-function-type"
 #pragma GCC diagnostic error   "-Wdelete-non-virtual-dtor"