diff --git a/packages/expo-cli/src/commands/eject/Eject.ts b/packages/expo-cli/src/commands/eject/Eject.ts
index d086856c6a..3e8925415f 100644
--- a/packages/expo-cli/src/commands/eject/Eject.ts
+++ b/packages/expo-cli/src/commands/eject/Eject.ts
@@ -516,6 +516,9 @@ function updatePackageJSONDependencies({
   tempDir: string;
   pkg: PackageJSONConfig;
 }): DependenciesModificationResults {
+  if (!pkg.devDependencies) {
+    pkg.devDependencies = {};
+  }
   const { dependencies, devDependencies } = getPackageJson(tempDir);
   const defaultDependencies = createDependenciesMap(dependencies);
   const defaultDevDependencies = createDependenciesMap(devDependencies);