pragma GCC diagnostic error "-Wsign-compare"
diff --git a/src/hb.hh b/src/hb.hh
index 6cc4afd..979bb4a 100644
--- a/src/hb.hh
+++ b/src/hb.hh
@@ -65,6 +65,7 @@
#pragma GCC diagnostic error "-Wpointer-arith"
#pragma GCC diagnostic error "-Wredundant-decls"
#pragma GCC diagnostic error "-Wreorder"
+#pragma GCC diagnostic error "-Wsign-compare"
#pragma GCC diagnostic error "-Wstrict-prototypes"
#pragma GCC diagnostic error "-Wstring-conversion"
#pragma GCC diagnostic error "-Wswitch-enum"
@@ -85,7 +86,6 @@
#pragma GCC diagnostic warning "-Wlogical-op"
#pragma GCC diagnostic warning "-Wmaybe-uninitialized"
#pragma GCC diagnostic warning "-Wmissing-format-attribute"
-#pragma GCC diagnostic warning "-Wsign-compare"
#pragma GCC diagnostic warning "-Wundef"
/* Ignored currently, but should be fixed at some point. */
