diff --git a/types/jquery-mockjax/index.d.ts b/types/jquery-mockjax/index.d.ts
index d2a4ec2f7c..f1333b1028 100644
--- a/types/jquery-mockjax/index.d.ts
+++ b/types/jquery-mockjax/index.d.ts
@@ -9,6 +9,20 @@
 
 /// <reference types="jquery" />
 
+type MockJaxLoggingFunction = (message?: any, ...additionalParameters: any[]) => void;
+
+interface MockJaxStandardLogger {
+    error?: MockJaxLoggingFunction;
+    warn?: MockJaxLoggingFunction;
+    info?: MockJaxLoggingFunction;
+    log?: MockJaxLoggingFunction;
+    debug?: MockJaxLoggingFunction;
+}
+
+interface MockJaxCustomLogger {
+    [key: string]: MockJaxLoggingFunction;
+}
+
 interface MockJaxSettingsHeaders {
     [key: string]: string;
 }
@@ -36,7 +50,7 @@ interface MockJaxSettings {
     onAfterSuccess?: Function;
     onAfterError?: Function;
     onAfterComplete?: Function;
-    logger?: any;
+    logger?: MockJaxStandardLogger | MockJaxCustomLogger;
     logLevelMethods?: string[];
     namespace?: string;
     throwUnmocked?: boolean;
diff --git a/types/jquery-mockjax/jquery-mockjax-tests.ts b/types/jquery-mockjax/jquery-mockjax-tests.ts
index e3bdfd5599..31babd9cd8 100644
--- a/types/jquery-mockjax/jquery-mockjax-tests.ts
+++ b/types/jquery-mockjax/jquery-mockjax-tests.ts
@@ -193,7 +193,7 @@ class Tests {
             });
         });
 
-        t('Custom logger gets called', (assert) => {
+        t('Standard logger type gets called', (assert) => {
             let done = assert.async();
             let wasLoggerCalled = false;
 
@@ -213,6 +213,33 @@ class Tests {
 
             $.mockjax(settings);
 
+            $.ajax({
+                url: '/custom-logging-function',
+                error: self._noErrorCallbackExpected,
+                complete: (xhr) => {
+                    assert.equal(wasLoggerCalled, true, 'Standard logger was called');
+                    done();
+                }
+            });
+        });
+
+        t('Custom logger object gets called', (assert) => {
+            let done = assert.async();
+            let wasLoggerCalled = false;
+
+            let logFunction = () => wasLoggerCalled = true;
+
+            let settings: MockJaxSettings = {
+                url: '/custom-logging-function',
+                logging: true,
+                logger: {
+                    customName: logFunction
+                },
+                logLevelMethods: ['customName', 'customName', 'customName', 'customName', 'customName']
+            };
+
+            $.mockjax(settings);
+
             $.ajax({
                 url: '/custom-logging-function',
                 error: self._noErrorCallbackExpected,