diff --git a/sorl/thumbnail/parsers.py b/sorl/thumbnail/parsers.py
index 89538d0d4..db38713ea 100644
--- a/sorl/thumbnail/parsers.py
+++ b/sorl/thumbnail/parsers.py
@@ -7,7 +7,7 @@
 
 
 bgpos_pat = re.compile(r'^(?P<value>\d+)(?P<unit>%|px)$')
-geometry_pat = re.compile(r'^(?P<x>\d+)?(?:x(?P<y>\d+))?$')
+geometry_pat = re.compile(r'^(?P<x>[\d]+)?(?:x)(?P<y>\d+)?$')
 
 
 class ThumbnailParseError(ThumbnailError):