diff --git a/common.mk b/common.mk
index 855a5b7..e3ab180 100644
--- a/common.mk
+++ b/common.mk
@@ -2,4 +2,4 @@ LATEX = latex -interaction=nonstopmode -shell-escape
 PDFLATEX = pdflatex -synctex=1 -interaction=nonstopmode -shell-escape
 RM = rm -f
 RM_R = rm -rf
-LN_S = ln -s
+LN_S = ln -sf