diff --git a/testing/validator/src/main/java/com/amazon/aoc/services/XRayService.java b/testing/validator/src/main/java/com/amazon/aoc/services/XRayService.java
index d6b328b1df..b96ff3332c 100644
--- a/testing/validator/src/main/java/com/amazon/aoc/services/XRayService.java
+++ b/testing/validator/src/main/java/com/amazon/aoc/services/XRayService.java
@@ -58,8 +58,10 @@ public List<TraceSummary> searchClientCallTraces(String serviceName) {
             new GetTraceSummariesRequest()
                 .withStartTime(pastDate)
                 .withEndTime(currentDate)
-                .withFilterExpression("annotation.aws_local_service = " + serviceName)
-                .withFilterExpression("annotation.aws_local_service = \"local-root-client-call\""));
+                .withFilterExpression(
+                    "annotation.aws_local_service = \""
+                        + serviceName
+                        + "\" AND annotation.aws_local_service = \"local-root-client-call\""));
     return traceSummaryResult.getTraceSummaries();
   }
 }