diff --git a/build/premake/premake4.lua b/build/premake/premake4.lua
index f51e361660..a2b44a518a 100644
--- a/build/premake/premake4.lua
+++ b/build/premake/premake4.lua
@@ -590,6 +590,7 @@ function setup_all_libs ()
 		source_dirs = {
 			"lobby",
 			"lobby/scripting",
+			"third_party/encryption"
 		}
 
 		extern_libs = {