diff --git a/source/index.js b/source/index.js
index 8bb291ed..a68bf2d8 100644
--- a/source/index.js
+++ b/source/index.js
@@ -177,7 +177,7 @@ module.exports = async (input = 'patch', options) => {
 			enabled: () => options.yarn === true,
 			skip: () => {
 				if (options.preview) {
-					return '[Preview] Command not executed: yarn version…';
+					return `[Preview] Command not executed: yarn version --new-version ${input}.`;
 				}
 			},
 			task: () => exec('yarn', ['version', '--new-version', input])
@@ -187,7 +187,7 @@ module.exports = async (input = 'patch', options) => {
 			enabled: () => options.yarn === false,
 			skip: () => {
 				if (options.preview) {
-					return '[Preview] Command not executed npm version…';
+					return `[Preview] Command not executed: npm version ${input}.`;
 				}
 			},
 			task: () => exec('npm', ['version', input])
@@ -198,9 +198,10 @@ module.exports = async (input = 'patch', options) => {
 		tasks.add([
 			{
 				title: `Publishing package using ${pkgManagerName}`,
-				skip: async () => {
+				skip: () => {
 					if (options.preview) {
-						return `[Preview] Command not executed ${pkgManager} publish…`;
+						const args = publish.pkgPublish(pkgManager, options);
+						return `[Preview] Command not executed: ${pkgManager} ${args} …`;
 					}
 				},
 				task: (context, task) => {
@@ -228,7 +229,7 @@ module.exports = async (input = 'patch', options) => {
 					title: 'Enabling two-factor authentication',
 					skip: () => {
 						if (options.preview) {
-							return '[Preview] Command not executed npm access 2fa-required…';
+							return `[Preview] Command not executed: npm access 2fa-required ${pkg.name} --opt …`;
 						}
 					},
 					task: (context, task) => enable2fa(task, pkg.name, {otp: context.otp})
@@ -247,11 +248,11 @@ module.exports = async (input = 'patch', options) => {
 			}
 
 			if (options.preview) {
-				return '[Preview] Command not executed git push…';
+				return '[Preview] Command not executed git push --follow-tags.';
 			}
 
 			if (publishStatus === 'FAILED' && runPublish) {
-				return 'Couldn\'t publish package to npm; not pushing.';
+				return 'Couldn\'t publish package to npm: not pushing.';
 			}
 		},
 		task: () => git.push()
@@ -262,7 +263,7 @@ module.exports = async (input = 'patch', options) => {
 		enabled: () => isOnGitHub === true,
 		skip: () => {
 			if (options.preview) {
-				return 'GitHub Releases draft not opened in preview mode.';
+				return '[Preview] GitHub Releases draft will not be opened in preview mode.';
 			}
 
 			return !options.releaseDraft;
diff --git a/source/npm/publish.js b/source/npm/publish.js
index 57e0d636..101e1d5c 100644
--- a/source/npm/publish.js
+++ b/source/npm/publish.js
@@ -23,6 +23,10 @@ const pkgPublish = (pkgManager, options) => {
 		args.push('--access', 'public');
 	}
 
+	if (options.preview) {
+		return args;
+	}
+
 	return execa(pkgManager, args);
 };
 
@@ -34,3 +38,5 @@ module.exports = (context, pkgManager, task, options) =>
 			return pkgPublish(pkgManager, {...options, otp});
 		}))
 	);
+
+module.exports.pkgPublish = pkgPublish;
diff --git a/source/npm/util.js b/source/npm/util.js
index f272e6d2..3b506a32 100644
--- a/source/npm/util.js
+++ b/source/npm/util.js
@@ -110,13 +110,12 @@ exports.checkIgnoreStrategy = ({files}) => {
 	}
 };
 
-exports.registry = async (pkgManager, pkg) => {
+exports.getRegistryUrl = async (pkgManager, pkg) => {
 	const args = ['config', 'get', 'registry'];
-	const isExternalRegistry = exports.isExternalRegistry(pkg);
-
-	const externalRegistry = isExternalRegistry ? pkg.publishConfig.registry : false;
-	if (externalRegistry) {
-		args.push('--registry', externalRegistry);
+	if (exports.isExternalRegistry(pkg)) {
+		args.push({
+			registryUrl: pkg.publishConfig.registry
+		});
 	}
 
 	const {stdout} = await execa(pkgManager, args);
diff --git a/source/ui.js b/source/ui.js
index e02682be..69a18cde 100644
--- a/source/ui.js
+++ b/source/ui.js
@@ -5,7 +5,7 @@ const githubUrlFromGit = require('github-url-from-git');
 const isScoped = require('is-scoped');
 const util = require('./util');
 const git = require('./git-util');
-const {prereleaseTags, checkIgnoreStrategy, registry} = require('./npm/util');
+const {prereleaseTags, checkIgnoreStrategy, getRegistryUrl} = require('./npm/util');
 const version = require('./version');
 const prettyVersionDiff = require('./pretty-version-diff');
 
@@ -53,7 +53,7 @@ module.exports = async (options, pkg) => {
 	const oldVersion = pkg.version;
 	const extraBaseUrls = ['gitlab.com'];
 	const repoUrl = pkg.repository && githubUrlFromGit(pkg.repository.url, {extraBaseUrls});
-	const registryUrl = await registry(options.yarn ? 'yarn' : 'npm', pkg);
+	const registryUrl = await getRegistryUrl(options.yarn ? 'yarn' : 'npm', pkg);
 	const runPublish = options.publish && !pkg.private;
 
 	if (runPublish) {