diff --git a/web/src/main/java/com/microsoft/applicationinsights/web/internal/correlation/TraceContextCorrelation.java b/web/src/main/java/com/microsoft/applicationinsights/web/internal/correlation/TraceContextCorrelation.java
index d9e61655f8f..f9391cbdb00 100644
--- a/web/src/main/java/com/microsoft/applicationinsights/web/internal/correlation/TraceContextCorrelation.java
+++ b/web/src/main/java/com/microsoft/applicationinsights/web/internal/correlation/TraceContextCorrelation.java
@@ -370,7 +370,7 @@ public static String generateChildDependencyTarget(String requestContext) {
         String[] keyValue = requestContext.split("=");
 
         String headerAppID = null;
-        if (keyValue[0].equals(REQUEST_CONTEXT_HEADER_APPID_KEY)) {
+        if (keyValue.length == 2 && keyValue[0].equals(REQUEST_CONTEXT_HEADER_APPID_KEY)) {
             headerAppID = keyValue[1];
         }