diff --git a/logback-core/src/main/java/ch/qos/logback/core/spi/ContextAwareBase.java b/logback-core/src/main/java/ch/qos/logback/core/spi/ContextAwareBase.java
index 5dc5cda02c..7800272346 100644
--- a/logback-core/src/main/java/ch/qos/logback/core/spi/ContextAwareBase.java
+++ b/logback-core/src/main/java/ch/qos/logback/core/spi/ContextAwareBase.java
@@ -34,7 +34,7 @@ public class ContextAwareBase implements ContextAware {
   public ContextAwareBase() {
     declaredOrigin = this;
   }
-  public ContextAwareBase(Object declaredOrigin) {
+  public ContextAwareBase(ContextAware declaredOrigin) {
     this.declaredOrigin = declaredOrigin;
   }