diff --git a/Makefile.am b/Makefile.am
index b3c69850a3..6fa1521c9d 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -13,7 +13,7 @@ kwin_la_LDFLAGS = $(all_libraries) -module -avoid-version
 
 include_HEADERS = KWinInterface.h
 
-kwin_SOURCES = dummy.cpp
+kwin_SOURCES = kwin_main.cpp
 kwin_LDADD = kwin.la
 kwin_LDFLAGS = $(all_libraries) $(KDE_RPATH)
 
@@ -31,6 +31,3 @@ data_DATA= eventsrc
 sounddir= $(kde_sounddir)
 sound_DATA = pop.wav
 
-dummy.cpp:
-	echo 'extern "C" { int kdemain(int, char *[]);} int main(int c, char *v[]) { return kdemain(c,v); }' > dummy.cpp
-
diff --git a/kwin_main.cpp b/kwin_main.cpp
new file mode 100644
index 0000000000..15746ebb8d
--- /dev/null
+++ b/kwin_main.cpp
@@ -0,0 +1,7 @@
+extern "C" { int kdemain(int, char *[]); }
+
+int main(int c, char *v[])
+{
+  return kdemain(c,v);
+}
+