diff --git a/lib/cuckoo/common/peepdf/PDFCore.py b/lib/cuckoo/common/peepdf/PDFCore.py
index f39c1117d..12951a51d 100644
--- a/lib/cuckoo/common/peepdf/PDFCore.py
+++ b/lib/cuckoo/common/peepdf/PDFCore.py
@@ -7718,7 +7718,7 @@ def readObject(self, content, objectType = None, forceMode = False, looseMode =
         else:
             delimiters = self.delimiters
         for delim in delimiters:
-            ret = self.readSymbol(content, delim[0])
+            ret = self.readSymbol(content, delim[0], False if delim[0] == '(' else True)
             if ret[0] != -1:
                 if delim[2] == 'dictionary':
                     ret = self.readUntilClosingDelim(content, delim)