diff --git a/WINGs/Makefile.am b/WINGs/Makefile.am
index 03c6e289..017f1d7e 100644
--- a/WINGs/Makefile.am
+++ b/WINGs/Makefile.am
@@ -3,6 +3,7 @@
 AUTOMAKE_OPTIONS =
 
 SUBDIRS = WINGs . po Documentation Resources
+DIST_SUBDIRS = $(SUBDIRS) Tests Examples Extras
 
 libWINGs_la_LDFLAGS = -version-info @WINGS_VERSION@
 libWUtil_la_LDFLAGS = -version-info @WUTIL_VERSION@
diff --git a/wrlib/Makefile.am b/wrlib/Makefile.am
index a9e6e83d..c21c0ced 100644
--- a/wrlib/Makefile.am
+++ b/wrlib/Makefile.am
@@ -1,6 +1,7 @@
 ## automake input file for wrlib
 
 SUBDIRS = .
+DIST_SUBDIRS = $(SUBDIRS) tests
 
 AUTOMAKE_OPTIONS =