diff --git a/polybar/clock.py b/polybar/clock.py
index 615d833..191074f 100755
--- a/polybar/clock.py
+++ b/polybar/clock.py
@@ -6,58 +6,62 @@ import time
 import pytz
 
 
-if len(sys.argv) < 3:
-    print("Usage: {scriptname} timezone_left timezone_right".format(scriptname=sys.argv[0]), file=sys.stderr)
-    exit(1)
-
 try:
-    tzleft  = pytz.timezone(sys.argv[1])
-    tzright = pytz.timezone(sys.argv[2])
-except pytz.exceptions.UnknownTimeZoneError as e:
-    print('Unknown time zone "{}"'.format(e.args[0]), file=sys.stderr)
-    exit(1)
+    if len(sys.argv) < 3:
+        print("Usage: {scriptname} timezone_left timezone_right".format(scriptname=sys.argv[0]), file=sys.stderr)
+        exit(1)
+
+    try:
+        tzleft  = pytz.timezone(sys.argv[1])
+        tzright = pytz.timezone(sys.argv[2])
+    except pytz.exceptions.UnknownTimeZoneError as e:
+        print('Unknown time zone "{}"'.format(e.args[0]), file=sys.stderr)
+        exit(1)
 
 
-faces = "🕛🕧🕐🕜🕑🕝🕒🕞🕓🕟🕔🕠🕕🕡🕖🕢🕗🕣🕘🕤🕙🕥🕚🕦"
+    faces = "🕛🕧🕐🕜🕑🕝🕒🕞🕓🕟🕔🕠🕕🕡🕖🕢🕗🕣🕘🕤🕙🕥🕚🕦🕛"
 
-def face_for(t):
-    minute = (t.minute + 15) // 30
-    hour   = (t.hour + 0 if minute < 45 else 1) % 12
+    def face_for(t):
+        minute = (t.minute + 15) // 30
+        hour   = (t.hour + 0 if minute < 45 else 1) % 12
 
-    return faces[2*hour + minute]
+        return faces[2*hour + minute]
 
 
-def color_for(t):
-    if t.hour < 5 or t.hour > 22:
-        return "888"
-    elif t.hour < 10:
-        return "DB9"
-    elif t.hour < 14:
-        return "DDB"
-    elif t.hour < 19:
-        return "DDD"
-    else:
-        return "D9B"
+    def color_for(t):
+        if t.hour < 5 or t.hour > 22:
+            return "888"
+        elif t.hour < 10:
+            return "DB9"
+        elif t.hour < 14:
+            return "DDB"
+        elif t.hour < 19:
+            return "DDD"
+        else:
+            return "D9B"
 
 
-while True:
-    utcnow   = datetime.now(tz=pytz.utc)
-    localnow = datetime.now()
-    leftnow  = utcnow.astimezone(tzleft )
-    rightnow = utcnow.astimezone(tzright)
-    print(
-        "%{T2}%{F#" + color_for(leftnow) + "}" +
-        face_for(leftnow) +
-        "%{F}%{T-}         " +
+    while True:
+        utcnow   = datetime.now(tz=pytz.utc)
+        localnow = datetime.now()
+        leftnow  = utcnow.astimezone(tzleft )
+        rightnow = utcnow.astimezone(tzright)
+        print(
+            "%{T2}%{F#" + color_for(leftnow) + "}" +
+            face_for(leftnow) +
+            "%{F}%{T-}         " +
 
-        localnow.strftime("%A       %%{T4}%%{F"+color_for(localnow)+"}%H:%M%%{F}%%{T-}     %d %b") +
+            localnow.strftime("%A       %%{T4}%%{F"+color_for(localnow)+"}%H:%M%%{F}%%{T-}     %d %b") +
 
-        "         %{T2}%{F#" + color_for(rightnow) + "}" +
-        face_for(rightnow) +
-        "%{F}%{T-}",
+            "         %{T2}%{F#" + color_for(rightnow) + "}" +
+            face_for(rightnow) +
+            "%{F}%{T-}",
 
-        flush = True
-    )
+            flush = True
+        )
 
-    delay = 60 - localnow.second - (localnow.microsecond * 10e-7)
-    time.sleep(delay)
+        delay = 60 - localnow.second - (localnow.microsecond * 10e-7)
+        time.sleep(delay)
+
+except Exception as e:
+    print(e, file=sys.stderr)