diff --git a/packages/collector/test/integration/currencies/logging/bunyan/bunyanApp.js b/packages/collector/test/integration/currencies/logging/bunyan/bunyanApp.js
index bed967b533..9cf507b219 100644
--- a/packages/collector/test/integration/currencies/logging/bunyan/bunyanApp.js
+++ b/packages/collector/test/integration/currencies/logging/bunyan/bunyanApp.js
@@ -100,6 +100,27 @@ app.get('/child-error', (req, res) => {
   finish(res);
 });
 
+app.get('/error-with-cause', (req, res) => {
+  const causeError = new Error('This is the cause error');
+  const mainError = new Error('This is the main error', { cause: causeError });
+  logger.error(mainError);
+  finish(res);
+});
+
+app.get('/error-with-cause-and-extra-string', (req, res) => {
+  const causeError = new Error('This is the cause error');
+  const mainError = new Error('This is the main error', { cause: causeError });
+  logger.error(mainError, 'Error message - should be traced.');
+  finish(res);
+});
+
+app.get('/nested-error-with-cause', (req, res) => {
+  const causeError = new Error('This is the cause error');
+  const mainError = new Error('This is the main error', { cause: causeError });
+  logger.error({ foo: 'bar', err: mainError }, 'Error message - should be traced.');
+  finish(res);
+});
+
 function finish(res) {
   fetch(`http://127.0.0.1:${agentPort}/ping`).then(() => {
     res.sendStatus(200);
diff --git a/packages/collector/test/integration/currencies/logging/bunyan/bunyanApp.mjs b/packages/collector/test/integration/currencies/logging/bunyan/bunyanApp.mjs
index dd9bbb163a..e1ea7a5a15 100644
--- a/packages/collector/test/integration/currencies/logging/bunyan/bunyanApp.mjs
+++ b/packages/collector/test/integration/currencies/logging/bunyan/bunyanApp.mjs
@@ -101,6 +101,27 @@ app.get('/child-error', (req, res) => {
   finish(res);
 });
 
+app.get('/error-with-cause', (req, res) => {
+  const causeError = new Error('This is the cause error');
+  const mainError = new Error('This is the main error', { cause: causeError });
+  logger.error(mainError);
+  finish(res);
+});
+
+app.get('/error-with-cause-and-extra-string', (req, res) => {
+  const causeError = new Error('This is the cause error');
+  const mainError = new Error('This is the main error', { cause: causeError });
+  logger.error(mainError, 'Error message - should be traced.');
+  finish(res);
+});
+
+app.get('/nested-error-with-cause', (req, res) => {
+  const causeError = new Error('This is the cause error');
+  const mainError = new Error('This is the main error', { cause: causeError });
+  logger.error({ foo: 'bar', err: mainError }, 'Error message - should be traced.');
+  finish(res);
+});
+
 function finish(res) {
   fetch(`http://127.0.0.1:${agentPort}/ping`).then(() => {
     res.sendStatus(200);
diff --git a/packages/collector/test/integration/currencies/logging/bunyan/test_base.js b/packages/collector/test/integration/currencies/logging/bunyan/test_base.js
index 9a0beece1f..ffed9dc2f9 100644
--- a/packages/collector/test/integration/currencies/logging/bunyan/test_base.js
+++ b/packages/collector/test/integration/currencies/logging/bunyan/test_base.js
@@ -76,10 +76,10 @@ module.exports = function (name, version, isLatest) {
     it('must trace fatal', () => runTest('fatal', true, 'Fatal message - should be traced.', controls));
 
     it("must capture an error object's message", () =>
-      runTest('error-object-only', true, 'This is an error.', controls));
+      runTest('error-object-only', true, 'Error: This is an error.', controls));
 
     it("must capture a nested error object's message", async () => {
-      await runTest('nested-error-object-only', true, 'This is a nested error.', controls);
+      await runTest('nested-error-object-only', true, 'Error: This is a nested error.', controls);
     });
 
     it('must serialize random object', () => runTest('error-random-object-only', true, '{"foo":"[Object]"}', controls));
@@ -96,14 +96,19 @@ module.exports = function (name, version, isLatest) {
       ));
 
     it("must capture an error object's message and an additional string", () =>
-      runTest('error-object-and-string', true, 'This is an error. -- Error message - should be traced.', controls));
+      runTest(
+        'error-object-and-string',
+        true,
+        'Error: This is an error. -- Error message - should be traced.',
+        controls
+      ));
 
     it("must capture a nested error object's message and an additional string", () =>
       runTest(
         'nested-error-object-and-string',
         true,
         // eslint-disable-next-line max-len
-        'This is a nested error. -- Error message - should be traced.',
+        'Error: This is a nested error. -- Error message - should be traced.',
         controls
       ));
 
@@ -118,6 +123,25 @@ module.exports = function (name, version, isLatest) {
     it('must trace child logger error', () =>
       runTest('child-error', true, 'Child logger error message - should be traced.', controls));
 
+    it('must trace an error with cause property', () =>
+      runTest('error-with-cause', true, 'Error: This is the cause error', controls));
+
+    it('must trace an error with cause property and extra string', () =>
+      runTest(
+        'error-with-cause-and-extra-string',
+        true,
+        'Error: This is the cause error -- Error message - should be traced.',
+        controls
+      ));
+
+    it('must trace a nested error with cause property and extra string', () =>
+      runTest(
+        'nested-error-with-cause',
+        true,
+        'Error: This is the cause error -- Error message - should be traced.',
+        controls
+      ));
+
     it('[suppression] should not trace', async function () {
       await trigger('warn', controls, { 'X-INSTANA-L': '0' });
 
diff --git a/packages/core/src/tracing/instrumentation/logging/bunyan.js b/packages/core/src/tracing/instrumentation/logging/bunyan.js
index 7c3acd329d..cf663e065a 100644
--- a/packages/core/src/tracing/instrumentation/logging/bunyan.js
+++ b/packages/core/src/tracing/instrumentation/logging/bunyan.js
@@ -67,27 +67,17 @@ function instrumentedLog(ctx, originalLog, originalArgs, markAsError) {
 
     if (typeof fields === 'string') {
       message = fields;
-    } else if (fields && typeof fields.message === 'string' && typeof message === 'string') {
-      message = `${fields.message} -- ${message}`;
+    } else if (fields instanceof Error) {
+      const errorMessage = tracingUtil.extractErrorMessage(fields);
+      message = typeof message === 'string' ? `${errorMessage} -- ${message}` : errorMessage;
+    } else if (fields?.err instanceof Error) {
+      const errorMessage = tracingUtil.extractErrorMessage(fields.err);
+      message = typeof message === 'string' ? `${errorMessage} -- ${message}` : errorMessage;
+    } else if (fields?.err && typeof fields.err.message === 'string') {
+      message = typeof message === 'string' ? `${fields.err.message} -- ${message}` : fields.err.message;
     } else if (fields && typeof fields.message === 'string') {
-      message = fields.message;
-    } else if (
-      fields &&
-      fields.err &&
-      typeof fields.err === 'object' &&
-      typeof fields.err.message === 'string' &&
-      typeof message === 'string'
-    ) {
-      // Support for fields.err.message based on the last example given in
-      // https://github.com/trentm/node-bunyan#log-method-api - quote: "To pass in an Error *and* other fields, use the
-      // `err` field name for the Error instance..."
-      message = `${fields.err.message} -- ${message}`;
-    } else if (fields && fields.err && typeof fields.err === 'object' && typeof fields.err.message === 'string') {
-      message = fields.err.message;
-    } else if (typeof fields === 'object') {
-      // CASE: we try our best to serialize logged objects
-      //       we do not want to directly call JSON.stringify because we do not know how big the object is and
-      //       there might be possible circular dependencies in the object.
+      message = typeof message === 'string' ? `${fields.message} -- ${message}` : fields.message;
+    } else if (fields && typeof fields === 'object') {
       const maxNoOfKeys = 100;
       const obj = {};