diff --git a/dd-java-agent/instrumentation/trace-annotation/src/main/java/datadog/trace/instrumentation/trace_annotation/TraceConfigInstrumentation.java b/dd-java-agent/instrumentation/trace-annotation/src/main/java/datadog/trace/instrumentation/trace_annotation/TraceConfigInstrumentation.java
index d798482ac6..af8d393a73 100644
--- a/dd-java-agent/instrumentation/trace-annotation/src/main/java/datadog/trace/instrumentation/trace_annotation/TraceConfigInstrumentation.java
+++ b/dd-java-agent/instrumentation/trace-annotation/src/main/java/datadog/trace/instrumentation/trace_annotation/TraceConfigInstrumentation.java
@@ -56,7 +56,7 @@ public class TraceConfigInstrumentation implements Instrumenter {
   }
 
   public TraceConfigInstrumentation() {
-    String configString = Config.get().getTraceMethods();
+    final String configString = Config.get().getTraceMethods();
     if (configString == null || configString.trim().isEmpty()) {
       classMethodsToTrace = Collections.emptyMap();