diff --git a/unittest/vslib/Makefile.am b/unittest/vslib/Makefile.am
index f9301f5adbee..7ee9e60214ee 100644
--- a/unittest/vslib/Makefile.am
+++ b/unittest/vslib/Makefile.am
@@ -27,6 +27,7 @@ testslibsaivs_SOURCES =	main_libsaivs.cpp \
 				test_sai_vs_ipmc_group.cpp \
 				test_sai_vs_macsec.cpp \
 				test_sai_vs_isolation_group.cpp \
+				test_sai_vs_interfacequery.cpp \
 				test_sai_vs_mcastfdb.cpp \
 				test_sai_vs_mirror.cpp \
 				test_sai_vs_mpls.cpp \
diff --git a/vslib/sai_vs_interfacequery.cpp b/vslib/sai_vs_interfacequery.cpp
index 14c20efddc85..1393d18a6d67 100644
--- a/vslib/sai_vs_interfacequery.cpp
+++ b/vslib/sai_vs_interfacequery.cpp
@@ -162,7 +162,7 @@ sai_status_t sai_dbg_generate_dump(
 {
     SWSS_LOG_ENTER();
 
-    return SAI_STATUS_SUCCESS;
+    return SAI_STATUS_NOT_IMPLEMENTED;
 }
 
 sai_object_type_t sai_object_type_query(