diff --git a/src/internal/buildcfg/exp.go b/src/internal/buildcfg/exp.go
index 6eaf2bd7c25..f4368ccdcf1 100644
--- a/src/internal/buildcfg/exp.go
+++ b/src/internal/buildcfg/exp.go
@@ -62,8 +62,7 @@ func parseExperiments() goexperiment.Flags {
 			flags.RegabiG = v
 			flags.RegabiReflect = v
 			flags.RegabiDefer = v
-			// Not ready yet:
-			//flags.RegabiArgs = v
+			flags.RegabiArgs = v
 		}
 
 		// Parse names.