diff --git a/Makefile b/Makefile
index 44e974f..537405d 100644
--- a/Makefile
+++ b/Makefile
@@ -54,7 +54,7 @@ $(BOOK_BASE).html: $(LATEX_INPUT_FILES) $(BOOK_CLASS_FILE)
 	$(T4HT) -f/$(BOOK_BASE).tex
 	rm $(BOOK_BASE).dvi
 
-$(BOOK_BASE).dvi: $(LATEX_INPUT_FILES) $(EPS_FIGS) ${BOOK_CLASS_FILE)
+$(BOOK_BASE).dvi: $(LATEX_INPUT_FILES) $(EPS_FIGS) ${BOOK_CLASS_FILE}
 	$(LATEX)  $(BOOK_BASE).tex
 	$(LATEX)  $(BOOK_BASE).tex