diff --git a/Makefile.am b/Makefile.am
index e03ee9fb..7eb451a9 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -128,6 +128,7 @@ TESTS+=test/test-cases/regression/variable-TIME_MIN.json
 TESTS+=test/test-cases/regression/action-setuid.json
 TESTS+=test/test-cases/regression/action-setrsc.json
 TESTS+=test/test-cases/regression/issue-1152.json
+TESTS+=test/test-cases/regression/issue-1528.json
 TESTS+=test/test-cases/regression/config-calling_phases_by_name.json
 TESTS+=test/test-cases/regression/variable-USERID.json
 TESTS+=test/test-cases/regression/request-body-parser-multipart.json