diff --git a/languages.json b/languages.json
index 85d4656e6..161aed414 100644
--- a/languages.json
+++ b/languages.json
@@ -4544,6 +4544,7 @@
       "vcproj",
       "vcxproj",
       "vcxproj.filters",
+      "ilproj",
       "myapp",
       "props",
       "rdlc",