diff --git a/lib/debug.nix b/lib/debug.nix
index 91a9265a6b5e..383eb32d75d0 100644
--- a/lib/debug.nix
+++ b/lib/debug.nix
@@ -77,7 +77,7 @@ rec {
                (modify depth snip x)) y;
 
   /* A combination of `traceVal` and `traceSeq` */
-  traceValSeqFn = f: v: traceVal f (builtins.deepSeq v v);
+  traceValSeqFn = f: v: traceValFn f (builtins.deepSeq v v);
   traceValSeq = traceValSeqFn id;
 
   /* A combination of `traceVal` and `traceSeqN`. */