diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2130cca17..5f593f631 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -138,7 +138,7 @@ set(plasma_LIB_SRCS
     private/wallpaperrenderthread.cpp
     private/windowpreview.cpp
     private/windowshadows.cpp
-    private/appletprivate.cpp
+    private/applet_p.cpp
 
     querymatch.cpp
     remote/accessmanager.cpp
diff --git a/private/appletprivate.cpp b/private/applet_p.cpp
similarity index 100%
rename from private/appletprivate.cpp
rename to private/applet_p.cpp