diff --git a/lib/__tests__/standalone.test.js b/lib/__tests__/standalone.test.js
index 197b326647..b62971e6ac 100644
--- a/lib/__tests__/standalone.test.js
+++ b/lib/__tests__/standalone.test.js
@@ -323,22 +323,40 @@ describe("standalone with config locatable from process.cwd not file", () => {
   })
 })
 
-it("Setting `plugins` inside `configOverrides` object should overrides the ones set in `config` object", () => {
-  return standalone({
-    code: ".bar {}",
-    configBasedir: __dirname,
-    config: {
-      plugins: [],
-      rules: {
-        "plugin/warn-about-bar": "always",
+describe("configOverrides", () => {
+  it("Setting `plugins` inside `**/__tests__/**` object should override the ones set in `config` object", () => {
+    return standalone({
+      code: ".bar {}",
+      configBasedir: __dirname,
+      config: {
+        plugins: [],
+        rules: {
+          "plugin/warn-about-bar": "always",
+        },
       },
-    },
-    configOverrides: {
-      plugins: ["./fixtures/plugin-warn-about-bar"],
-    },
-  }).then((linted) => {
-    expect(linted.results[0].warnings.length).toBe(1)
-    expect(linted.results[0].warnings[0].text).toBe("found .bar (plugin/warn-about-bar)")
+      configOverrides: {
+        plugins: ["./fixtures/plugin-warn-about-bar"],
+      },
+    }).then((linted) => {
+      expect(linted.results[0].warnings.length).toBe(1)
+      expect(linted.results[0].warnings[0].text).toBe("found .bar (plugin/warn-about-bar)")
+    })
+  })
+
+  it("Setting `extends` inside `configOverrides` object should override the ones set in `config` object", () => {
+    return standalone({
+      code: ".bar {}",
+      configBasedir: __dirname,
+      config: {
+        extends: ["foo"],
+      },
+      configOverrides: {
+        extends: ["./fixtures/config-block-no-empty"],
+      },
+    }).then((linted) => {
+      expect(linted.results[0].warnings.length).toBe(1)
+      expect(linted.results[0].warnings[0].text).toContain("block-no-empty")
+    })
   })
 })
 
diff --git a/lib/augmentConfig.js b/lib/augmentConfig.js
index 19bae8a3a9..5e3bf251cf 100644
--- a/lib/augmentConfig.js
+++ b/lib/augmentConfig.js
@@ -18,9 +18,11 @@ const FILE_NOT_FOUND_ERROR_CODE = "ENOENT"
 function augmentConfigBasic(
   stylelint/*: stylelint$internalApi*/,
   config/*: stylelint$config*/,
-  configDir/*: string*/
+  configDir/*: string*/,
+  allowOverrides/*:: ?: boolean*/
 )/*: Promise<stylelint$config>*/ {
   return Promise.resolve().then(() => {
+    if (!allowOverrides) return config
     return _.merge(config, stylelint._options.configOverrides)
   }).then(augmentedConfig => {
     return extendConfig(stylelint, augmentedConfig, configDir)
@@ -67,7 +69,7 @@ function augmentConfigFull(
 
   const configDir = stylelint._options.configBasedir || path.dirname(filepath || "")
 
-  return augmentConfigBasic(stylelint, config, configDir).then(augmentedConfig => {
+  return augmentConfigBasic(stylelint, config, configDir, true).then(augmentedConfig => {
     return addIgnorePatterns(stylelint, augmentedConfig)
   }).then(augmentedConfig => {
     return addPluginFunctions(augmentedConfig)