diff --git a/test/parallel/test-assert.js b/test/parallel/test-assert.js
index cc29673774f481..8ee1989cf7423e 100644
--- a/test/parallel/test-assert.js
+++ b/test/parallel/test-assert.js
@@ -90,11 +90,16 @@ assert.doesNotThrow(makeBlock(a.deepEqual, /a/g, /a/g));
 assert.doesNotThrow(makeBlock(a.deepEqual, /a/i, /a/i));
 assert.doesNotThrow(makeBlock(a.deepEqual, /a/m, /a/m));
 assert.doesNotThrow(makeBlock(a.deepEqual, /a/igm, /a/igm));
-assert.throws(makeBlock(a.deepEqual, /ab/, /a/));
-assert.throws(makeBlock(a.deepEqual, /a/g, /a/));
-assert.throws(makeBlock(a.deepEqual, /a/i, /a/));
-assert.throws(makeBlock(a.deepEqual, /a/m, /a/));
-assert.throws(makeBlock(a.deepEqual, /a/igm, /a/im));
+assert.throws(makeBlock(a.deepEqual, /ab/, /a/),
+              /^AssertionError: \/ab\/ deepEqual \/a\/$/);
+assert.throws(makeBlock(a.deepEqual, /a/g, /a/),
+              /^AssertionError: \/a\/g deepEqual \/a\/$/);
+assert.throws(makeBlock(a.deepEqual, /a/i, /a/),
+              /^AssertionError: \/a\/i deepEqual \/a\/$/);
+assert.throws(makeBlock(a.deepEqual, /a/m, /a/),
+              /^AssertionError: \/a\/m deepEqual \/a\/$/);
+assert.throws(makeBlock(a.deepEqual, /a/igm, /a/im),
+              /^AssertionError: \/a\/gim deepEqual \/a\/im$/);
 
 {
   const re1 = /a/g;