diff --git a/src/internal/buildcfg/exp.go b/src/internal/buildcfg/exp.go
index bf4a8fa977..f3903be862 100644
--- a/src/internal/buildcfg/exp.go
+++ b/src/internal/buildcfg/exp.go
@@ -27,6 +27,7 @@ var regabiSupported = GOARCH == "amd64" && (GOOS == "linux" || GOOS == "darwin"
 // configuration and any variation from this is an experiment.
 var experimentBaseline = goexperiment.Flags{
 	RegabiWrappers: regabiSupported,
+	RegabiG:        regabiSupported,
 }
 
 // FramePointerEnabled enables the use of platform conventions for