diff --git a/3rdparty/stb/stb_rect_pack.h b/3rdparty/stb/stb_rect_pack.h
index e91179b43..836e563cd 100644
--- a/3rdparty/stb/stb_rect_pack.h
+++ b/3rdparty/stb/stb_rect_pack.h
@@ -1,4 +1,7 @@
 #if defined(__GNUC__) || defined(__clang__)
+#   if defined(__clang__)
+#	    pragma clang diagnostic ignored "-Wunknown-pragmas"
+#   endif // defined(__clang__)
 #	pragma GCC diagnostic ignored "-Wtype-limits"
 #	pragma GCC diagnostic ignored "-Wunused-function"
 #	pragma GCC diagnostic ignored "-Wunused-parameter"