diff --git a/log4j-core/src/main/java/org/apache/logging/log4j/core/config/ConfigurationFactory.java b/log4j-core/src/main/java/org/apache/logging/log4j/core/config/ConfigurationFactory.java
index 3404a55..5fc79da 100644
--- a/log4j-core/src/main/java/org/apache/logging/log4j/core/config/ConfigurationFactory.java
+++ b/log4j-core/src/main/java/org/apache/logging/log4j/core/config/ConfigurationFactory.java
@@ -389,7 +389,7 @@ public abstract class ConfigurationFactory extends ConfigurationBuilderFactory {
             if (config != null) {
                 return config;
             }
-            LOGGER.error("No log4j2 configuration file found. " +
+            LOGGER.warn("No log4j2 configuration file found. " +
                     "Using default configuration: logging only errors to the console. " +
                     "Set system property 'log4j2.debug' " +
                     "to show Log4j2 internal initialization logging.");