diff --git a/spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/catalog/SimpleFunctionRegistry.java b/spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/catalog/SimpleFunctionRegistry.java
index a1108a75b..d2dde7cb1 100644
--- a/spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/catalog/SimpleFunctionRegistry.java
+++ b/spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/catalog/SimpleFunctionRegistry.java
@@ -85,7 +85,7 @@ import org.springframework.util.StringUtils;
  */
 public class SimpleFunctionRegistry implements FunctionRegistry, FunctionInspector {
 
-	Log logger = LogFactory.getLog(this.getClass());
+	protected Log logger = LogFactory.getLog(this.getClass());
 
 	/**
 	 * Identifies MessageConversionExceptions that happen when input can't be converted.