diff --git a/build-system/compile/bundles.config.extensions.json b/build-system/compile/bundles.config.extensions.json
index c9c1be95a07b..48874bd0d761 100644
--- a/build-system/compile/bundles.config.extensions.json
+++ b/build-system/compile/bundles.config.extensions.json
@@ -32,12 +32,7 @@
     "latestVersion": "0.1",
     "options": {
       "hasCss": true,
-      "npm": {
-        "component.js": {
-          "preact": "component-preact.js",
-          "react": "component-react.js"
-        }
-      }
+      "npm": true
     }
   },
   {"name": "amp-action-macro", "version": "0.1", "latestVersion": "0.1"},
@@ -150,12 +145,7 @@
     "version": "1.0",
     "latestVersion": "0.1",
     "options": {
-      "npm": {
-        "component.js": {
-          "preact": "component-preact.js",
-          "react": "component-react.js"
-        }
-      }
+      "npm": true
     }
   },
   {
@@ -168,12 +158,7 @@
     "version": "1.0",
     "latestVersion": "0.1",
     "options": {
-      "npm": {
-        "component.js": {
-          "preact": "component-preact.js",
-          "react": "component-react.js"
-        }
-      }
+      "npm": true
     }
   },
   {
@@ -211,12 +196,7 @@
     "latestVersion": "0.1",
     "options": {
       "hasCss": true,
-      "npm": {
-        "component.js": {
-          "preact": "component-preact.js",
-          "react": "component-react.js"
-        }
-      }
+      "npm": true
     }
   },
   {"name": "amp-font", "version": "0.1", "latestVersion": "0.1"},
@@ -297,12 +277,7 @@
     "options": {
       "hasCss": true,
       "cssBinaries": ["amp-inline-gallery-pagination"],
-      "npm": {
-        "component.js": {
-          "preact": "component-preact.js",
-          "react": "component-react.js"
-        }
-      }
+      "npm": true
     }
   },
   {"name": "amp-inputmask", "version": "0.1", "latestVersion": "0.1"},
@@ -318,12 +293,7 @@
     "latestVersion": "0.1",
     "options": {
       "hasCss": true,
-      "npm": {
-        "component.js": {
-          "preact": "component-preact.js",
-          "react": "component-react.js"
-        }
-      }
+      "npm": true
     }
   },
   {
@@ -351,12 +321,7 @@
     "latestVersion": "0.1",
     "options": {
       "hasCss": true,
-      "npm": {
-        "component.js": {
-          "preact": "component-preact.js",
-          "react": "component-react.js"
-        }
-      }
+      "npm": true
     }
   },
   {
@@ -485,12 +450,7 @@
     "latestVersion": "0.1",
     "options": {
       "hasCss": true,
-      "npm": {
-        "component.js": {
-          "preact": "component-preact.js",
-          "react": "component-react.js"
-        }
-      }
+      "npm": true
     }
   },
   {
@@ -652,12 +612,7 @@
     "version": "1.0",
     "latestVersion": "0.1",
     "options": {
-      "npm": {
-        "component.js": {
-          "preact": "component-preact.js",
-          "react": "component-react.js"
-        }
-      }
+      "npm": true
     }
   },
   {
@@ -739,12 +694,7 @@
     "latestVersion": "0.1",
     "options": {
       "hasCss": true,
-      "npm": {
-        "component.js": {
-          "preact": "component-preact.js",
-          "react": "component-react.js"
-        }
-      }
+      "npm": true
     }
   }
 ]
diff --git a/build-system/tasks/extension-helpers.js b/build-system/tasks/extension-helpers.js
index a8d0c24141ef..f24c02d71b75 100644
--- a/build-system/tasks/extension-helpers.js
+++ b/build-system/tasks/extension-helpers.js
@@ -565,7 +565,16 @@ function buildExtensionCss(extDir, name, version, options) {
  * @return {!Promise}
  */
 function buildNpmBinaries(extDir, options) {
-  const {npm} = options;
+  let {npm} = options;
+  if (npm === true) {
+    // Default to the standard/expected entrypoint
+    npm = {
+      'component.js': {
+        'preact': 'component-preact.js',
+        'react': 'component-react.js',
+      },
+    };
+  }
   const keys = Object.keys(npm);
   const promises = keys.flatMap((entryPoint) => {
     const {preact, react} = npm[entryPoint];