diff --git a/manimlib/utils/tex_file_writing.py b/manimlib/utils/tex_file_writing.py
index 7bfcbf1b..1ebd3a82 100644
--- a/manimlib/utils/tex_file_writing.py
+++ b/manimlib/utils/tex_file_writing.py
@@ -32,7 +32,7 @@ def generate_tex_file(expression, template_tex_file_body):
         new_body = template_tex_file_body.replace(
             TEX_TEXT_TO_REPLACE, expression
         )
-        with open(result, "w") as outfile:
+        with open(result, "w", encoding="utf-8") as outfile:
             outfile.write(new_body)
     return result