diff --git a/src/PDF/Object.hs b/src/PDF/Object.hs
index 3788ffc..947ff75 100644
--- a/src/PDF/Object.hs
+++ b/src/PDF/Object.hs
@@ -319,7 +319,7 @@ structure :: Parser u Structure
 structure =
     Structure
   <$> (line "xref" *> xrefSubSection `sepBy` EOL.parser)
-  <*> (line "trailer" *> dictionary <* EOL.parser)
+  <*> (string "trailer" *> blank *> dictionary <* EOL.parser)
 
 updateXrefs :: XRefSection -> Map Offset Int -> (XRefSection, Int)
 updateXrefs xrefSection offsets = (