diff --git a/tests/languages/nsis/constant_feature.test b/tests/languages/nsis/constant_feature.test
index c3a41a7bec..6e560b5f3f 100644
--- a/tests/languages/nsis/constant_feature.test
+++ b/tests/languages/nsis/constant_feature.test
@@ -1,21 +1,25 @@
 $(myLicenseData)
 $(^Name)
+$(!Name)
 ${LANG_ENGLISH}
 ${AtLeastWin8.1}
 ${nsArray_Copy}
 ${xml::CreateNode}
 ${^EXAMPLE}
+${!defineifexist}
 
 ----------------------------------------------------
 
 [
     ["constant", "$(myLicenseData)"],
     ["constant", "$(^Name)"],
+    ["constant", "$(!Name)"],
     ["constant", "${LANG_ENGLISH}"],
     ["constant", "${AtLeastWin8.1}"],
     ["constant", "${nsArray_Copy}"],
     ["constant", "${xml::CreateNode}"],
-    ["constant", "${^EXAMPLE}"]
+    ["constant", "${^EXAMPLE}"],
+    ["constant", "${!defineifexist}"]
 ]
 
 ----------------------------------------------------