diff --git a/utils/TableGen/CMakeLists.txt b/utils/TableGen/CMakeLists.txt
index e568c62795d..d9ec6f7d1a1 100644
--- a/utils/TableGen/CMakeLists.txt
+++ b/utils/TableGen/CMakeLists.txt
@@ -13,6 +13,7 @@ add_executable(tblgen
   InstrInfoEmitter.cpp
   IntrinsicEmitter.cpp
   LLVMCConfigurationEmitter.cpp
+  OptParserEmitter.cpp
   Record.cpp
   RegisterInfoEmitter.cpp
   SubtargetEmitter.cpp