diff --git a/components/engine/daemon/daemon_unix.go b/components/engine/daemon/daemon_unix.go
index f2ae8c551a..7dcfa7051e 100644
--- a/components/engine/daemon/daemon_unix.go
+++ b/components/engine/daemon/daemon_unix.go
@@ -351,7 +351,7 @@ func verifyContainerResources(resources *containertypes.Resources, sysInfo *sysi
 		return warnings, fmt.Errorf("CPU cfs quota can not be less than 1ms (i.e. 1000)")
 	}
 	if resources.CPUPercent > 0 {
-		warnings = append(warnings, "%s does not support CPU percent. Percent discarded.", runtime.GOOS)
+		warnings = append(warnings, fmt.Sprintf("%s does not support CPU percent. Percent discarded.", runtime.GOOS))
 		logrus.Warnf("%s does not support CPU percent. Percent discarded.", runtime.GOOS)
 		resources.CPUPercent = 0
 	}