diff --git a/parse.nim b/parse.nim
index 3db93d8..c47b9e4 100644
--- a/parse.nim
+++ b/parse.nim
@@ -301,10 +301,10 @@ suite "parser tests":
     check(packet.data == "Hello Alice!")
 
   test "content length":
-    let input = ":_target\talice\n25\n_hello_world\nHello Alice!\n|\n"
+    let input = ":_target\talice\n39\n:_hello\tworld\n_hello_world\nHello Alice!\n|\n"
     while packet.state != ParseState.Complete:
      discard parse(input, packet)
-    check(packet.contentLength == 25)
+    check(packet.contentLength == 39)
     check(packet.data == "Hello Alice!")
 
   echo "parser tests completed"