diff --git a/pkg/webhook/mutation/pod/oneagent/containers.go b/pkg/webhook/mutation/pod/oneagent/containers.go
index 10e4722cad..fbb038c4da 100644
--- a/pkg/webhook/mutation/pod/oneagent/containers.go
+++ b/pkg/webhook/mutation/pod/oneagent/containers.go
@@ -33,7 +33,7 @@ func (mut *Mutator) mutateUserContainers(request *dtwebhook.MutationRequest) int
 			continue
 		}
 
-		addContainerInfoInitEnv(request.InstallContainer, i+1, container.Name, container.Image)
+		addContainerInfoInitEnv(request.InstallContainer, injectedContainers+1, container.Name, container.Image)
 		mut.addOneAgentToContainer(request.ToReinvocationRequest(), container)
 
 		injectedContainers++