diff --git a/Shared/large_pdf.patch b/Shared/large_pdf.patch
index 81e0a09..25b9985 100644
--- a/Shared/large_pdf.patch
+++ b/Shared/large_pdf.patch
@@ -1,12 +1,14 @@
 diff --git a/Shared/lib/python3.4/site-packages/PyPDF2/pdf.py b/Shared/lib/python3.4/site-packages/PyPDF2/pdf.py
-index 1987ccd..5522e4b 100644
+index be8959f..5522e4b 100644
 --- a/Shared/lib/python3.4/site-packages/PyPDF2/pdf.py
 +++ b/Shared/lib/python3.4/site-packages/PyPDF2/pdf.py
-@@ -1925,21 +1910,26 @@ class PdfFileReader(object):
+@@ -1910,23 +1910,26 @@ class PdfFileReader(object):
              if debug: print(("  x:", x, "%x"%ord(x)))
              if stream.tell() < 2:
                  raise utils.PdfReadError("EOL marker not found")
 -            step = min(stream.tell()-2, 8*1024)
+-            if step < 2:
+-                raise utils.PdfReadError("EOL marker not found")
 -            stream.seek(-step, 1)
 -            x = stream.read(step)
 -            if b_('\n') in x or b_('\r') in x:
diff --git a/Shared/update.sh b/Shared/update.sh
index 001b106..ca13166 100755
--- a/Shared/update.sh
+++ b/Shared/update.sh
@@ -16,3 +16,4 @@ mv p34/lib/python3.4/site-packages lib/python3.4/site-packages
 patch -p2 -R < large_pdf.patch
 
 rm -r p34 old
+rm -r lib/python3.4/site-packages/netifaces*