diff --git a/internal/ccall/ccall.go b/internal/ccall/ccall.go
index ca89f2f..0d8afc8 100644
--- a/internal/ccall/ccall.go
+++ b/internal/ccall/ccall.go
@@ -22,7 +22,7 @@ package ccall
 #cgo CFLAGS: -Itwopigen
 #cgo CFLAGS: -I../
 #cgo CFLAGS: -I../libltdl
-#cgo CFLAGS: -Wno-unused-result -Wno-format -Wno-pointer-to-int-cast -Wno-attributes
+#cgo CFLAGS: -Wno-unused-result -Wno-format -Wno-pointer-to-int-cast -Wno-attributes -Wno-format-security
 #cgo LDFLAGS: -lm
 #include "config.h"
 #include "gvc.h"