diff --git a/requirements.txt b/requirements.txt
index 9f3665a9a519d98ad8d1055b0f57ac2ae4213aa4..47b03905186548ade36cd98b15945f860741c1b8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Jinja2
+jinja2
 numpy
 chardet
 scipy
diff --git a/src/slider/latexutils.py b/src/slider/latexutils.py
index c44fa7a421ce943c47fb5a7ac9121a5ae1cf07ff..19238ed35c1f0dd747a8a97b9c5551ea0f0ca39b 100644
--- a/src/slider/latexutils.py
+++ b/src/slider/latexutils.py
@@ -15,6 +15,7 @@ def latexmk(texfile, pdf_out=None,shell=True,cleanup=False, Linux=False):
     print("Running LaTeX command>> " + CMD)
 
     s = subprocess.check_output(CMD, shell=True)
+    # s = subprocess.check_output(CMD, shell=True) # try to run it twice to compile bibtex
 
     if pdf_out:
         shutil.copyfile(texfile[:-4]+".pdf", pdf_out)