diff --git a/avrdude/doc/Makefile.am b/avrdude/doc/Makefile.am
index 74a6ee1c..9f510cda 100644
--- a/avrdude/doc/Makefile.am
+++ b/avrdude/doc/Makefile.am
@@ -33,7 +33,7 @@ html: avrdude-html/avrdude.html
 
 avrdude-html/avrdude.html: $(srcdir)/$(info_TEXINFOS)
 	texi2html -split_node $(srcdir)/$(info_TEXINFOS)
-	if [ -e ./avrdude.html ]; then \
+	if [ ! -e ./avrdude.html ]; then \
 	 mkdir -p avrdude-html; \
 	 mv -f *.html avrdude-html ; \
 	else \