diff --git a/action.yml b/action.yml
index 8b72565..582d5a4 100644
--- a/action.yml
+++ b/action.yml
@@ -16,6 +16,7 @@ runs:
           aarch64|arm64) arch=arm64 ;;
           *) echo "better-setup-go: unsupported arch $(uname -m)" >&2; exit 1 ;;
         esac
+        rm -rf /usr/local/go   # a base-image GOROOT under the same path corrupts on overlay
         curl -fsSL "https://go.dev/dl/go${v}.linux-${arch}.tar.gz" | tar -xz -C /usr/local
         ln -sf /usr/local/go/bin/go /usr/local/bin/go
         ln -sf /usr/local/go/bin/gofmt /usr/local/bin/gofmt