diff --git a/service_windows.go b/service_windows.go
index 6db1d7c..42dd932 100644
--- a/service_windows.go
+++ b/service_windows.go
@@ -256,10 +256,8 @@ func (ws *windowsService) setEnvironmentVariablesInRegistry() error {
 		envStrings = append(envStrings, k+"="+v)
 	}
 
-	if len(envStrings) > 0 {
-		if err := k.SetStringsValue("Environment", envStrings); err != nil {
-			return fmt.Errorf("failed setting env var registry key, err = %v", err)
-		}
+	if err := k.SetStringsValue("Environment", envStrings); err != nil {
+		return fmt.Errorf("failed setting env var registry key, err = %v", err)
 	}
 
 	if err := k.Close(); err != nil {