diff --git a/src/detection/locale/locale.c b/src/detection/locale/locale.c
index 6108f7e51..7b9e085cf 100644
--- a/src/detection/locale/locale.c
+++ b/src/detection/locale/locale.c
@@ -5,6 +5,7 @@
 #include <stdlib.h>
 #include <locale.h>
 
+__attribute__((__unused__))
 static void getLocaleFromEnv(FFstrbuf* locale)
 {
     ffStrbufAppendS(locale, getenv("LANG"));