diff --git a/integration-cli/docker_utils.go b/integration-cli/docker_utils.go
index 4e7d1da3f6..edcfc88a3b 100644
--- a/integration-cli/docker_utils.go
+++ b/integration-cli/docker_utils.go
@@ -519,7 +519,7 @@ func validateArgs(args ...string) error {
 			foundBusybox = key
 		}
 		if (foundBusybox != -1) && (key == foundBusybox+1) && (strings.ToLower(value) == "top") {
-			return errors.New("Cannot use 'busybox top' in tests on Windows. Use runSleepingContainer()")
+			return errors.New("cannot use 'busybox top' in tests on Windows. Use runSleepingContainer()")
 		}
 	}
 	return nil