diff --git a/2015/schweikhardt/Makefile b/2015/schweikhardt/Makefile
index 74368c15b..4cbf254eb 100644
--- a/2015/schweikhardt/Makefile
+++ b/2015/schweikhardt/Makefile
@@ -83,7 +83,7 @@ CC= cc
 #
 ifeq "$(findstring $(CLANG),${CC})" "$(CLANG)"
 #
-CSILENCE+= -Wno-poison-system-directories
+CSILENCE+= -Wno-poison-system-directories -Wno-unsafe-buffer-usage
 #
 CWARN+= -Weverything
 #