diff --git a/ox/web/imdb.py b/ox/web/imdb.py
index c8e909b..db0a700 100644
--- a/ox/web/imdb.py
+++ b/ox/web/imdb.py
@@ -64,6 +64,17 @@ def zebra_table(label, more=None, type='string'):
         conditions['re'] += more
     return conditions
 
+def parse_aspectratio(value):
+    r = value
+    if ':' in value:
+        r = value.split(':')
+        n = r[0]
+        d = r[1].strip().split(' ')[0]
+        try:
+            value = str(float(n) / float(d))
+        except:
+            print('failed to parse aspect: %s' % value)
+    return value
 
 '''
 'posterIds': {
@@ -94,7 +105,7 @@ class Imdb(SiteParser):
             'page': 'reference',
             're': [
                 'Aspect Ratio</td>.*?ipl-inline-list__item">\s+([\d\.\:\ ]+)',
-                lambda r: str(float(r.split(':')[0])/float(r.split(':')[1].split(' ')[0])) if ':' in r else r,
+                parse_aspectratio,
             ],
             'type': 'float',
         },