diff --git a/vlib/v/pref/pref.v b/vlib/v/pref/pref.v
index 5e671a0afd..ebfc8b87b7 100644
--- a/vlib/v/pref/pref.v
+++ b/vlib/v/pref/pref.v
@@ -78,7 +78,7 @@ pub mut:
 	// NB: passing -cg instead of -g will set is_vlines to false and is_debug to true, thus making v generate cleaner C files,
 	// which are sometimes easier to debug / inspect manually than the .tmp.c files by plain -g (when/if v line number generation breaks).
 	// use cached modules to speed up compilation.
-	use_cache           bool //  = true
+	use_cache           bool // = true
 	no_cache            bool
 	is_stats            bool // `v -stats file_test.v` will produce more detailed statistics for the tests that were run
 	no_auto_free        bool // `v -nofree` disable automatic `free()` insertion for better performance in some applications  (e.g. compilers)