diff --git a/libraries/launcher/CMakeLists.txt b/libraries/launcher/CMakeLists.txt
index 7aabefa1..d176b1d4 100644
--- a/libraries/launcher/CMakeLists.txt
+++ b/libraries/launcher/CMakeLists.txt
@@ -17,6 +17,7 @@ set(SRC
     org/prismlauncher/exception/ParseException.java
     org/prismlauncher/utils/Parameters.java
     org/prismlauncher/utils/ReflectionUtils.java
+    org/prismlauncher/utils/StringUtils.java
     net/minecraft/Launcher.java
 )
 add_jar(NewLaunch ${SRC})