diff --git a/test/boost_has_long_long.ipp b/test/boost_has_long_long.ipp
index ab3f0a06..7c0a92cc 100644
--- a/test/boost_has_long_long.ipp
+++ b/test/boost_has_long_long.ipp
@@ -16,8 +16,8 @@ int test()
 {
    long long lli = 0LL;
    unsigned long long ulli = 0uLL;
-   (void)lli;
-   (void)ulli;
+   (void)&lli;
+   (void)&ulli;
    return 0;
 }