1 files changed, 3 insertions, 2 deletions
diff --git a/bin/tex2pdf b/bin/tex2pdf
index 021682b..64287ae 100755
--- a/bin/tex2pdf
+++ b/bin/tex2pdf
@@ -79,9 +79,10 @@ function show_pdf()
   check_mupdf_pid
   echo "mupdf: ${dirname}/${filename}${output_suffix}."
   if [ ! -z $mupdf_pid ]; then
-    kill ${mupdf_pid}
+    kill -SIGHUP ${mupdf_pid}
+  else
+    mupdf ${dirname}/${filename}${output_suffix} &
   fi
-  mupdf ${dirname}/${filename}${output_suffix} &
 }
 
 function cleanup()