diff --git a/tclpkg/gv/Makefile.am b/tclpkg/gv/Makefile.am
index 0b0b1f1..d42bf57 100644
--- a/tclpkg/gv/Makefile.am
+++ b/tclpkg/gv/Makefile.am
@@ -451,7 +451,10 @@ pdf = gv.3sharp.pdf gv.3go.pdf gv.3guile.pdf gv.3io.pdf gv.3java.pdf gv.3lua.pdf
       gv.3ruby.pdf gv.3tcl.pdf
 
 
-$(man): gv.i gv_doc_writer.tcl gv_doc_template.tcl gv_doc_langs.tcl
+$(man): gv_doc_writer.intermediate ;
+
+.INTERMEDIATE: gv_doc_writer.intermediate
+gv_doc_writer.intermediate: gv.i gv_doc_writer.tcl gv_doc_template.tcl gv_doc_langs.tcl
 	$(TCLSH) $(srcdir)/gv_doc_writer.tcl "$(srcdir)"
 
 gv.3sharp.pdf: gv.3sharp