diff --git a/src/Makefile.am b/src/Makefile.am
index 3600e74..30857cb 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -48,6 +48,8 @@ kscope_SOURCES = autocompletionlayout.ui bookmarksdlg.cpp bookmarkslayout.ui \
 	searchresultsdlg.cpp searchresultslayout.ui symbolcompletion.cpp symboldlg.cpp \
 	symbollayout.ui tabwidget.cpp treewidget.cpp welcomedlg.ui
 
+BUILT_SOURCES = calltreelayout.h
+
 kscope_LDFLAGS = $(KDE_RPATH) $(all_libraries)
 kscope_LDADD = -lkateinterfaces -lkatepartinterfaces -ltdetexteditor $(LIB_TDEUI) $(LIB_TDEPARTS) $(LIB_TDEIO) $(LIB_TDECORE) $(LIB_QT)