--- a/Makefile.am
+++ b/Makefile.am
@@ -47,6 +47,9 @@
 
 $(PANO_WIN32_RESOURCE): pano13.rc
 	        $(top_srcdir)/build/win32/lt-compile-resource pano13.rc $@
+
+TAGS:
+	ctags-exuberant -e *.c *.h tools/*.c
 
 install-exec-hook:
 	mv $(DESTDIR)$(bindir)/libpano13.dll $(DESTDIR)$(bindir)/pano13.dll