diff --git a/Makefile b/Makefile
index e376105..670690b 100644
--- a/Makefile
+++ b/Makefile
@@ -110,7 +110,7 @@ edit: $(SRCNAMES)
 
 %.pdf: $(TEXSRC) $(wildcard $(THISDIR)*.tex) $(BBLNAMES)
 	@echo Compiling $@
-	($(PDF) $(@:.pdf=.tex)) || (touch --date="`date -R -r $(@:.pdf=.tex)`" $@ & grep "Warning" $(@:.pdf=.log)) 
+	($(PDF) $(@:.pdf=.tex)) || (touch --date="`date -R -r $(@:.pdf=.tex)`" $@ & grep "Warning" $(@:.pdf=.log))
 
 	@echo Recompile tikz images
 	@if [ -s $(@:.pdf=.makefile) ]; \