diff --git a/gtk/Makefile.am b/gtk/Makefile.am
index a66953936..02463f037 100644
--- a/gtk/Makefile.am
+++ b/gtk/Makefile.am
@@ -7,7 +7,7 @@ else
 GTK_PRINT_PREVIEW_COMMAND="evince --unlink-tempfile --preview --print-settings %s %f"
 endif
 
-SUBDIRS = theme-bits .
+SUBDIRS = theme-bits . tests
 DIST_SUBDIRS=theme-bits tests
 
 if HAVE_PAPI_CUPS