diff --git a/petstore/petstorepetservice/src/main/resources/application_with_everything_enabled.yml b/petstore/petstorepetservice/src/main/resources/application_with_everything_enabled.yml
index 01b5fe27..a76188cc 100644
--- a/petstore/petstorepetservice/src/main/resources/application_with_everything_enabled.yml
+++ b/petstore/petstorepetservice/src/main/resources/application_with_everything_enabled.yml
@@ -12,7 +12,7 @@ spring:
 
 azure:
     application-insights:
-      instrumentation-key: ${PETSTORESERVICE_AI_INSTRUMENTATION_KEY}
+      instrumentation-key: ${PETSTORESERVICES_AI_INSTRUMENTATION_KEY}
       web:
         enable-W3C: true
         enable-W3C-backcompat-mode: true