diff --git a/packages/config/src/getScopeRegistries.ts b/packages/config/src/getScopeRegistries.ts
index ea8d69b331..fb1d4eac26 100644
--- a/packages/config/src/getScopeRegistries.ts
+++ b/packages/config/src/getScopeRegistries.ts
@@ -2,8 +2,12 @@ export default function getScopeRegistries (rawNpmConfig: Object) {
   const registries = {}
   for (const configKey of Object.keys(rawNpmConfig)) {
     if (configKey[0] === '@' && configKey.endsWith(':registry')) {
-      registries[configKey.substr(0, configKey.indexOf(':'))] = rawNpmConfig[configKey]
+      registries[configKey.substr(0, configKey.indexOf(':'))] = normalizeRegistry(rawNpmConfig[configKey])
     }
   }
   return registries
 }
+
+export function normalizeRegistry (registry: string) {
+  return registry.endsWith('/') ? registry : `${registry}/`
+}
diff --git a/packages/config/src/index.ts b/packages/config/src/index.ts
index 056dabf793..3ab672dc55 100644
--- a/packages/config/src/index.ts
+++ b/packages/config/src/index.ts
@@ -4,7 +4,7 @@ import camelcase from 'camelcase'
 import findUp = require('find-up')
 import path = require('path')
 import whichcb = require('which')
-import getScopeRegistries from './getScopeRegistries'
+import getScopeRegistries, { normalizeRegistry } from './getScopeRegistries'
 import { PnpmConfigs } from './PnpmConfigs'
 
 export { PnpmConfigs }
@@ -134,7 +134,7 @@ export default async (
     }, {} as PnpmConfigs)
   pnpmConfig.rawNpmConfig = Object.assign.apply(Object, npmConfig.list.reverse().concat([cliArgs]))
   pnpmConfig.registries = {
-    default: pnpmConfig.registry || 'https://registry.npmjs.org/',
+    default: normalizeRegistry(pnpmConfig.registry || 'https://registry.npmjs.org/'),
     ...getScopeRegistries(pnpmConfig.rawNpmConfig),
   }
   const npmGlobalPrefix: string = pnpmConfig.rawNpmConfig['pnpm-prefix'] ||
diff --git a/packages/config/test/index.ts b/packages/config/test/index.ts
index d1dfdecfe2..e0444710bd 100644
--- a/packages/config/test/index.ts
+++ b/packages/config/test/index.ts
@@ -158,11 +158,13 @@ test('registries of scoped packages are read', async (t) => {
     },
   })
 
+  // tslint:disable
   t.deepEqual(opts.registries, {
-    '@bar': 'https://bar.com',
-    '@foo': 'https://foo.com',
     'default': 'https://registry.npmjs.org/',
+    '@foo': 'https://foo.com/',
+    '@bar': 'https://bar.com/',
   })
+  // tslint:enable
 
   t.end()
 })
diff --git a/packages/resolve-dependencies/src/resolveDependencies.ts b/packages/resolve-dependencies/src/resolveDependencies.ts
index 1ce5657150..4fbb67e1fb 100644
--- a/packages/resolve-dependencies/src/resolveDependencies.ts
+++ b/packages/resolve-dependencies/src/resolveDependencies.ts
@@ -434,7 +434,7 @@ async function resolveDependency (
   }
 
   const scope = wantedDependency.alias && getScope(wantedDependency.alias)
-  const registry = normalizeRegistry(scope && ctx.registries[scope] || ctx.registries.default)
+  const registry = scope && ctx.registries[scope] || ctx.registries.default
 
   let pkgResponse!: PackageResponse
   try {
@@ -736,11 +736,6 @@ function peerDependenciesWithoutOwn (pkg: PackageManifest) {
   return result
 }
 
-function normalizeRegistry (registry: string) {
-  if (registry.endsWith('/')) return registry
-  return `${registry}/`
-}
-
 async function resolveDependenciesOfPackage (
   pkg: PackageManifest,
   ctx: ResolutionContext,