diff --git a/tests/nightly/model_backwards_compatibility_check/JenkinsfileForMBCC b/tests/nightly/model_backwards_compatibility_check/JenkinsfileForMBCC
index d5c5b8d0067f..9158b0486cd4 100644
--- a/tests/nightly/model_backwards_compatibility_check/JenkinsfileForMBCC
+++ b/tests/nightly/model_backwards_compatibility_check/JenkinsfileForMBCC
@@ -55,7 +55,7 @@ core_logic: {
     node(NODE_LINUX_CPU) {
       ws('workspace/modelBackwardsCompat') {
         utils.init_git()
-        unpack_lib('cpu', mx_lib)
+        utils.unpack_lib('cpu', mx_lib)
         // Perform inference on the latest version of MXNet
         utils.docker_run('ubuntu_nightly_cpu', 'nightly_model_backwards_compat_test', false)
       }