diff --git a/integration/ngcc/test.sh b/integration/ngcc/test.sh
index 5374cc70feced..6f573e5ed8ced 100755
--- a/integration/ngcc/test.sh
+++ b/integration/ngcc/test.sh
@@ -14,23 +14,23 @@ if [[ $? != 0 ]]; then exit 1; fi
 # Did it add the appropriate build markers?
 
   # - esm2015
-  grep '"__processed_by_ivy_ngcc__":[^}]*"esm2015":"' node_modules/@angular/common/package.json
+  cat node_modules/@angular/common/package.json | awk 'ORS=" "' | grep '"__processed_by_ivy_ngcc__":[^}]*"esm2015": "'
   if [[ $? != 0 ]]; then exit 1; fi
 
   # - fesm2015
-  grep '"__processed_by_ivy_ngcc__":[^}]*"fesm2015":"' node_modules/@angular/common/package.json
+  cat node_modules/@angular/common/package.json | awk 'ORS=" "' | grep '"__processed_by_ivy_ngcc__":[^}]*"fesm2015": "'
   if [[ $? != 0 ]]; then exit 1; fi
-  grep '"__processed_by_ivy_ngcc__":[^}]*"es2015":"' node_modules/@angular/common/package.json
+  cat node_modules/@angular/common/package.json | awk 'ORS=" "' | grep '"__processed_by_ivy_ngcc__":[^}]*"es2015": "'
   if [[ $? != 0 ]]; then exit 1; fi
 
   # - esm5
-  grep '"__processed_by_ivy_ngcc__":[^}]*"esm5":"' node_modules/@angular/common/package.json
+  cat node_modules/@angular/common/package.json | awk 'ORS=" "' | grep '"__processed_by_ivy_ngcc__":[^}]*"esm5": "'
   if [[ $? != 0 ]]; then exit 1; fi
 
   # - fesm5
-  grep '"__processed_by_ivy_ngcc__":[^}]*"module":"' node_modules/@angular/common/package.json
+  cat node_modules/@angular/common/package.json | awk 'ORS=" "' | grep '"__processed_by_ivy_ngcc__":[^}]*"module": "'
   if [[ $? != 0 ]]; then exit 1; fi
-  grep '"__processed_by_ivy_ngcc__":[^}]*"fesm5":"' node_modules/@angular/common/package.json
+  cat node_modules/@angular/common/package.json | awk 'ORS=" "' | grep '"__processed_by_ivy_ngcc__":[^}]*"fesm5": "'
   if [[ $? != 0 ]]; then exit 1; fi
 
 # Did it replace the PRE_R3 markers correctly?
diff --git a/packages/compiler-cli/ngcc/src/packages/build_marker.ts b/packages/compiler-cli/ngcc/src/packages/build_marker.ts
index 5aea60f51c6fa..667f8c144f69a 100644
--- a/packages/compiler-cli/ngcc/src/packages/build_marker.ts
+++ b/packages/compiler-cli/ngcc/src/packages/build_marker.ts
@@ -6,7 +6,7 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-import {writeFileSync} from 'fs';
+import {writeFileSync, writeFile} from 'fs';
 
 import {AbsoluteFsPath} from '../../../src/ngtsc/path';
 
@@ -53,5 +53,5 @@ export function markAsProcessed(
     format: EntryPointJsonProperty) {
   if (!packageJson.__processed_by_ivy_ngcc__) packageJson.__processed_by_ivy_ngcc__ = {};
   packageJson.__processed_by_ivy_ngcc__[format] = NGCC_VERSION;
-  writeFileSync(packageJsonPath, JSON.stringify(packageJson), 'utf8');
+  writeFileSync(packageJsonPath, JSON.stringify(packageJson, null, 2), 'utf8');
 }