diff --git a/signature.py b/signature.py
index fc1a80a..3f63a85 100644
--- a/signature.py
+++ b/signature.py
@@ -67,7 +67,10 @@ def check_sign(cmd, bdata, fname, GNUPG_DIRECTORY, keyserver, windows_hack=False
         gpg_rcode = p.returncode
 
         if gpg_rcode != 0 and not windows_hack:
-            return check_sign(cmd, bdata.replace(b'\n', b'\r\n'), fname, GNUPG_DIRECTORY, keyserver, True) # Windows hack
+            try:
+                return check_sign(cmd, bdata.replace(b'\n', b'\r\n'), fname, GNUPG_DIRECTORY, keyserver, True) # Windows hack
+            except:
+                pass
 
         return gpg_status, gpg_output, gpg_rcode