diff --git a/unittests/IR/CMakeLists.txt b/unittests/IR/CMakeLists.txt
index b6098c79282..c53043ef80e 100644
--- a/unittests/IR/CMakeLists.txt
+++ b/unittests/IR/CMakeLists.txt
@@ -13,6 +13,7 @@ set(IRSources
   MDBuilderTest.cpp
   MetadataTest.cpp
   PassManagerTest.cpp
+  PatternMatch.cpp
   TypeBuilderTest.cpp
   TypesTest.cpp
   ValueMapTest.cpp