diff --git a/clients/web/Makefile.am b/clients/web/Makefile.am
index d6ca991342..41a212ca98 100644
--- a/clients/web/Makefile.am
+++ b/clients/web/Makefile.am
@@ -1,4 +1,4 @@
-INCLUDES                  = $(all_includes) -I$(topdir)/kwin
+INCLUDES                  = $(all_includes) -I$(top_srcdir)
 kde_module_LTLIBRARIES    = libkwinweb.la
 
 libkwinweb_la_SOURCES     = \