diff --git a/src/makefile.am b/src/makefile.am
index 8cb93c9..72a6bb6 100644
--- a/src/makefile.am
+++ b/src/makefile.am
@@ -5,15 +5,17 @@
 
 bin_SCRIPTS = webrunner webtester
 BUILT_SOURCES = ${bin_SCRIPTS:%=makefile.%}
-EXTRA_DIST = *.[ch]xx *.ui @PACKAGE_NAME@.pro
+EXTRA_DIST = commands.hxx networkaccessmanager.hxx testgui.ui	\
+             webrunner.cxx web.ui exceptions.hxx testgui.hxx	\
+             webpage.hxx webtester.cxx @PACKAGE_NAME@.pro
 
 clean-local: ${bin_SCRIPTS:%=clean.%}
 
 webrunner: make.webrunner
 webtester: make.webtester
 
-makefile.%:
-	qmake -o $@ -config debug -config ${@:makefile.%=%}
+makefile.%: ${srcdir}/webtester.pro
+	qmake -makefile -o $@ -config debug -config ${@:makefile.%=%} $<
 
 make.%: makefile.%
 	make -f ${<}