diff --git a/rendercv/themes/classic/Preamble.j2.tex b/rendercv/themes/classic/Preamble.j2.tex
index 579d45c..60b91e4 100644
--- a/rendercv/themes/classic/Preamble.j2.tex
+++ b/rendercv/themes/classic/Preamble.j2.tex
@@ -141,4 +141,5 @@
 \let\endchangemargin=\endlist 
 
 % Ensure that generate pdf is machine readable/ATS parsable
+\input{glyphtounicode}
 \pdfgentounicode=1
\ No newline at end of file