diff --git a/bin/tests/system/feature-test.c b/bin/tests/system/feature-test.c
index 39f69b1a89..83d352fcaa 100644
--- a/bin/tests/system/feature-test.c
+++ b/bin/tests/system/feature-test.c
@@ -70,7 +70,7 @@ main(int argc, char **argv) {
 	}
 
 	if (strcmp(argv[1], "--enable-filter-aaaa") == 0) {
-#ifdef ALLOW_FILTER_AAAA
+#ifdef ALLOW_FILTER_AAAA_ON_V4
 		return (0);
 #else
 		return (1);
diff --git a/bin/tests/system/filter-aaaa/prereq.sh b/bin/tests/system/filter-aaaa/prereq.sh
index 4e0262aae7..fb4d19ebbc 100644
--- a/bin/tests/system/filter-aaaa/prereq.sh
+++ b/bin/tests/system/filter-aaaa/prereq.sh
@@ -14,10 +14,11 @@
 # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 # PERFORMANCE OF THIS SOFTWARE.
 
-if $FEATURETEST --enable-filter-aaaa
-then
-    :
-else
+SYSTEMTESTTOP=..
+. $SYSTEMTESTTOP/conf.sh
+
+$FEATURETEST --enable-filter-aaaa || {
     echo "I:This test requires --enable-filter-aaaa at compile time." >&2
     exit 255
-fi
+}
+exit 0