diff --git a/kdesktop/lock/Makefile.am b/kdesktop/lock/Makefile.am
index 42c1b770a..00027506d 100644
--- a/kdesktop/lock/Makefile.am
+++ b/kdesktop/lock/Makefile.am
@@ -10,7 +10,7 @@ bin_PROGRAMS = kdesktop_lock
 
 kdesktop_lock_SOURCES = lockprocess.cc lockdlg.cc infodlg.cc querydlg.cc autologout.cc main.cc
 
-noinst_HEADERS = lockprocess.h lockdlg.h infodlg.h querydlg.cc autologout.h main.h
+noinst_HEADERS = lockprocess.h lockdlg.h infodlg.h querydlg.h autologout.h main.h
 
 METASOURCES = AUTO