diff --git a/pdfminer/pdfpage.py b/pdfminer/pdfpage.py
index a8a746d..807281c 100644
--- a/pdfminer/pdfpage.py
+++ b/pdfminer/pdfpage.py
@@ -50,7 +50,7 @@ class PDFPage(object):
         self.pageid = pageid
         self.attrs = dict_value(attrs)
         self.lastmod = resolve1(self.attrs.get('LastModified'))
-        self.resources = resolve1(self.attrs['Resources'])
+        self.resources = resolve1(self.attrs.get('Resources', dict()))
         self.mediabox = resolve1(self.attrs['MediaBox'])
         if 'CropBox' in self.attrs:
             self.cropbox = resolve1(self.attrs['CropBox'])