diff --git a/src/util/virutil.c b/src/util/virutil.c
index 8352e0f1f1ce71b59b2fb66e6653d76d4be02a58..c23fa8f92ea208248c6ad87971f18fb34bb975a8 100644
--- a/src/util/virutil.c
+++ b/src/util/virutil.c
@@ -2014,10 +2014,10 @@ char *virGetUNIXSocketPath(int fd)
 
 #else /* HAVE_SYS_UN_H */
 
-char *virGetUNIXSocketPath(int fd)
+char *virGetUNIXSocketPath(int fd ATTRIBUTE_UNUSED)
 {
     virReportSystemError(ENOSYS, "%s",
-                         _("UNIX sockets not supported on this platform");
+                         _("UNIX sockets not supported on this platform"));
     return NULL;
 }