diff --git a/launcher/CMakeLists.txt b/launcher/CMakeLists.txt
index 9534c3a3f..9ac496361 100644
--- a/launcher/CMakeLists.txt
+++ b/launcher/CMakeLists.txt
@@ -600,6 +600,7 @@ set(PRISMUPDATER_SOURCES
     Version.h
     Version.cpp
     Markdown.h
+    Markdown.cpp
 
     # Zip
     MMCZip.h