diff --git a/MarkdownLivePreview.py b/MarkdownLivePreview.py
index dc2e368..d744722 100644
--- a/MarkdownLivePreview.py
+++ b/MarkdownLivePreview.py
@@ -222,7 +222,7 @@ class MarkdownLivePreviewListener(sublime_plugin.EventListener):
         settings = get_settings()
         delay = settings.get(SETTING_DELAY_BETWEEN_UPDATES, 100) # Provide default
         font_scale = settings.get(SETTING_FONT_SCALE, 1.0) # Provide default
-        print(f"--- MarkdownLivePreview: Using font_scale: {font_scale} ---")
+        print("--- MarkdownLivePreview: Using font_scale: {} ---".format(font_scale))
 
         if time.time() - self.last_update < delay / 1000:
             return