diff --git a/gnomemusic/utils.py b/gnomemusic/utils.py
index 7cb98a433985595c1fb03516861c37168df93acf..fd88be299a614f4a8e550f74125524aca7e12028 100644
--- a/gnomemusic/utils.py
+++ b/gnomemusic/utils.py
@@ -172,7 +172,7 @@ def seconds_to_string(duration):
     minutes = seconds // 60
     seconds %= 60
 
-    return '{:d}∶{:02d}'.format(minutes, seconds)
+    return '{:d}:{:02d}'.format(minutes, seconds)
 
 
 def normalize_caseless(text):
diff --git a/gnomemusic/widgets/playertoolbar.py b/gnomemusic/widgets/playertoolbar.py
index 6ad2b5efa33323b1cb6430f8bb50ff9aef0dc497..71a094d1ee22ba5f98ee72fdd0ea087606fa5256 100644
--- a/gnomemusic/widgets/playertoolbar.py
+++ b/gnomemusic/widgets/playertoolbar.py
@@ -186,7 +186,7 @@ class PlayerToolbar(Gtk.ActionBar):
         coresong = player.props.current_song
         self._duration_label.props.label = utils.seconds_to_string(
             coresong.props.duration)
-        self._progress_time_label.props.label = "0∶00"
+        self._progress_time_label.props.label = "0:00"
 
         self._play_button.set_sensitive(True)
         self._sync_prev_next()