diff --git a/latex/paquets.sty b/latex/paquets.sty
index ed90552..486e85b 100644
--- a/latex/paquets.sty
+++ b/latex/paquets.sty
@@ -87,7 +87,17 @@
 \RequirePackage{ystheorem}
 
 \RequirePackage[backend=biber, style=alphabetic]{biblatex}
-\addbibresource{commun.bib}
+\begin{luacode*}
+function dirname(str)
+	if str:match(".-/.-") then
+		local name = string.gsub(str, "(.*/)(.*)", "%1")
+		return name
+	else
+		return ''
+	end
+end
+tex.print([[\addbibresource{]]..dirname(status["filename"])..[[commun.bib}]])
+\end{luacode*}
 
 \RequirePackage{yslistings}