diff --git a/lldb/source/Plugins/CMakeLists.txt b/lldb/source/Plugins/CMakeLists.txt
index a1b515af29f2..7142405c3248 100644
--- a/lldb/source/Plugins/CMakeLists.txt
+++ b/lldb/source/Plugins/CMakeLists.txt
@@ -9,5 +9,6 @@ add_subdirectory(OperatingSystem)
 add_subdirectory(Platform)
 add_subdirectory(Process)
 add_subdirectory(SymbolFile)
+add_subdirectory(SystemRuntime)
 add_subdirectory(SymbolVendor)
 add_subdirectory(UnwindAssembly)