diff --git a/backends/CMakeLists.txt b/backends/CMakeLists.txt
index 9982d868ffcfafaf9e0a5127ea0629620fa78680..8b91a1ff701025f6cd4732b9c3b54dbedf7b0e75 100644
--- a/backends/CMakeLists.txt
+++ b/backends/CMakeLists.txt
@@ -7,4 +7,6 @@ if (PROTOBUF_FOUND)
 		ADD_SUBDIRECTORY(libircclient-qt)
 	endif()
 
+	ADD_SUBDIRECTORY(frotz)
+
 endif()