diff --git a/adolc.spec b/adolc.spec
index a0e3a19..e54c4b3 100644
--- a/adolc.spec
+++ b/adolc.spec
@@ -117,7 +117,7 @@ autoreconf -v --install --force
 make %{_smp_mflags}
 pushd ADOL-C/doc
 for ((i=0; i < 3; i++)); do
-    pdflatex adolc-manual.tex
+    pdflatex adolc-manual.tex &>/dev/null
 done
 
 %install