diff --git a/nimbus/nim.cfg b/nimbus/nim.cfg
index 594c922e6..cbdc81ff2 100644
--- a/nimbus/nim.cfg
+++ b/nimbus/nim.cfg
@@ -1,5 +1,5 @@
 -d:chronicles_line_numbers
--d:"chronicles_sinks=textblocks[file]"
+-d:"chronicles_sinks=textlines[file]"
 -d:"chronicles_runtime_filtering=on"
 # https://github.com/nim-lang/Nim/issues/8294#issuecomment-454556051
 @if windows: