diff --git a/ppf.py b/ppf.py
index e7ced28..d0df5ba 100755
--- a/ppf.py
+++ b/ppf.py
@@ -133,8 +133,8 @@ def is_usable_proxy(proxy):
 	C = int(octets[2])
 	D = int(octets[3])
 
-	if (A < 1 or A > 254) or \
-	(B > 255 or C > 255 or D > 255) or \
+	if (A < 1 or A > 254 or \
+	B > 255 or C > 255 or D > 255) or \
 	(A == 10 or A == 127) or \
 	(A == 192 and B == 168) or \
 	(A == 172 and B >= 16 and B <= 31): return False