diff --git a/test/parallel/test-debugger-preserve-breaks.js b/test/parallel/test-debugger-preserve-breaks.js
index 7730039aed71b8..fc9411290a9bc8 100644
--- a/test/parallel/test-debugger-preserve-breaks.js
+++ b/test/parallel/test-debugger-preserve-breaks.js
@@ -29,6 +29,8 @@ const script = path.relative(process.cwd(), scriptFullPath);
     await cli.stepCommand('c'); // hit line 3
     assert.deepStrictEqual(cli.breakInfo, { filename: script, line: 3 });
     await cli.command('restart');
+    await cli.waitFor(/Debugger attached\./);
+    await cli.waitForPrompt();
     await cli.waitForInitialBreak();
     assert.deepStrictEqual(cli.breakInfo, { filename: script, line: 1 });
     await cli.stepCommand('c');
diff --git a/test/parallel/test-debugger-run-after-quit-restart.js b/test/parallel/test-debugger-run-after-quit-restart.js
index e5f6f86e53750c..397c25cceaff65 100644
--- a/test/parallel/test-debugger-run-after-quit-restart.js
+++ b/test/parallel/test-debugger-run-after-quit-restart.js
@@ -58,6 +58,8 @@ const path = require('path');
       );
     })
     .then(() => cli.command('restart'))
+    .then(() => cli.waitFor(/Debugger attached\./))
+    .then(() => cli.waitForPrompt())
     .then(() => cli.waitForInitialBreak())
     .then(() => {
       assert.deepStrictEqual(