diff --git a/src/cmd/ld/data.c b/src/cmd/ld/data.c
index 974c08708f..e7269169e0 100644
--- a/src/cmd/ld/data.c
+++ b/src/cmd/ld/data.c
@@ -687,7 +687,7 @@ addaddrplus(Sym *s, Sym *t, int32 add)
 	return i;
 }
 
-vlong
+static vlong
 addaddrplus4(Sym *s, Sym *t, int32 add)
 {
 	vlong i;