diff --git a/jc/parsers/route.py b/jc/parsers/route.py
index 7777f4c0..03f6ee36 100644
--- a/jc/parsers/route.py
+++ b/jc/parsers/route.py
@@ -184,7 +184,7 @@ def parse(data, raw=False, quiet=False):
     cleandata = data.splitlines()[1:]
 
     # fixup header row for ipv6
-    cleandata[0].replace('Next Hop', 'Next_Hop')
+    cleandata[0] = cleandata[0].replace('Next Hop', 'Next_Hop')
 
     raw_output = []