diff --git a/dd-java-agent/agent-tooling/src/main/java/datadog/trace/agent/tooling/bytebuddy/matcher/SafeExtendsClassMatcher.java b/dd-java-agent/agent-tooling/src/main/java/datadog/trace/agent/tooling/bytebuddy/matcher/SafeExtendsClassMatcher.java
index 9438be49e8..ddce190fd6 100644
--- a/dd-java-agent/agent-tooling/src/main/java/datadog/trace/agent/tooling/bytebuddy/matcher/SafeExtendsClassMatcher.java
+++ b/dd-java-agent/agent-tooling/src/main/java/datadog/trace/agent/tooling/bytebuddy/matcher/SafeExtendsClassMatcher.java
@@ -28,4 +28,9 @@ class SafeExtendsClassMatcher<T extends TypeDescription>
     }
     return false;
   }
+
+  @Override
+  public String toString() {
+    return "safeExtendsClass(" + matcher + ")";
+  }
 }