diff --git a/build_helper/build_helper_config_maps.py b/build_helper/build_helper_config_maps.py
index 649ddbb..b1297fb 100644
--- a/build_helper/build_helper_config_maps.py
+++ b/build_helper/build_helper_config_maps.py
@@ -40,7 +40,7 @@
 mapRegTest = {
     "OFF"       : "-DTEST_S=OFF -DTEST_NS=OFF ",
     "RegS"      : "-DTEST_S=ON ",
-    "RegNS"     : "-DTEST_NS=ON ",
+    "RegNS"     : "-DTEST_NS=ON -DTEST_NS_FLIH_IRQ=OFF ",
 }
 
 # Map PSA Arch Tests to short format