diff --git a/backends/CMakeLists.txt b/backends/CMakeLists.txt
new file mode 100644
index 0000000000000000000000000000000000000000..44b743ed54740828d57101c10d69ab96e5ce19ec
--- /dev/null
+++ b/backends/CMakeLists.txt
@@ -0,0 +1,3 @@
+if (PROTOBUF_FOUND)
+	ADD_SUBDIRECTORY(libpurple)
+endif()