diff --git a/lib/layouts.js b/lib/layouts.js
index a762e4d0..74254858 100644
--- a/lib/layouts.js
+++ b/lib/layouts.js
@@ -254,7 +254,7 @@ function patternLayout(pattern, tokens) {
 
     // support for ESM as it uses url instead of path for file
     /* istanbul ignore next: unsure how to simulate ESM for test coverage */
-    const convertFileURLToPath = function(filepath) {
+    const convertFileURLToPath = function (filepath) {
       const urlPrefix = 'file://';
       if (filepath.startsWith(urlPrefix)) {
         // https://nodejs.org/api/url.html#urlfileurltopathurl
diff --git a/lib/logger.js b/lib/logger.js
index ca36be5e..1d117656 100644
--- a/lib/logger.js
+++ b/lib/logger.js
@@ -82,8 +82,9 @@ class Logger {
   log(level, ...args) {
     let logLevel = levels.getLevel(level);
     if (!logLevel) {
-      this._log(levels.WARN, 'log4js:logger.log: invalid value for log-level as first parameter given: ', level);
+      this._log(levels.WARN, ['log4js:logger.log: invalid value for log-level as first parameter given:', level]);
       logLevel = levels.INFO;
+      args = [level, ...args];
     }
     if (this.isLevelEnabled(logLevel)) {
       this._log(logLevel, args);
diff --git a/test/tap/newLevel-test.js b/test/tap/newLevel-test.js
index 1422ab30..957b317e 100644
--- a/test/tap/newLevel-test.js
+++ b/test/tap/newLevel-test.js
@@ -232,14 +232,32 @@ test("../../lib/logger", batch => {
 
     const logger = log4js.getLogger();
 
-    logger.log("LEVEL_DOES_NEXT_EXIST", "Event 1");
-    logger.log(log4js.levels.getLevel("LEVEL_DOES_NEXT_EXIST"), "Event 2");
+    logger.log("LEVEL_DOES_NOT_EXIST", "Event 1");
+    logger.log(log4js.levels.getLevel("LEVEL_DOES_NOT_EXIST"), "Event 2");
+    logger.log("Event 3");
 
     const events = recording.replay();
+
     t.equal(events[0].level.toString(), "WARN", "should log warning");
+    t.equal(events[0].data[0], "log4js:logger.log: invalid value for log-level as first parameter given:");
+    t.equal(events[0].data[1], "LEVEL_DOES_NOT_EXIST");
     t.equal(events[1].level.toString(), "INFO", "should fall back to INFO");
+    t.equal(events[1].data[0], "LEVEL_DOES_NOT_EXIST");
+    t.equal(events[1].data[1], "Event 1");
+
     t.equal(events[2].level.toString(), "WARN", "should log warning");
+    t.equal(events[2].data[0], "log4js:logger.log: invalid value for log-level as first parameter given:");
+    t.equal(events[2].data[1], undefined);
     t.equal(events[3].level.toString(), "INFO", "should fall back to INFO");
+    t.equal(events[3].data[0], undefined);
+    t.equal(events[3].data[1], "Event 2");
+
+    t.equal(events[4].level.toString(), "WARN", "should log warning");
+    t.equal(events[4].data[0], "log4js:logger.log: invalid value for log-level as first parameter given:");
+    t.equal(events[4].data[1], "Event 3");
+    t.equal(events[5].level.toString(), "INFO", "should fall back to INFO");
+    t.equal(events[5].data[0], "Event 3");
+
     t.end();
   });