diff --git a/domain/section/plantuml/plantuml.go b/domain/section/plantuml/plantuml.go
index fb7802c7..c4e48ed2 100644
--- a/domain/section/plantuml/plantuml.go
+++ b/domain/section/plantuml/plantuml.go
@@ -102,6 +102,7 @@ func (p *Provider) generateDiagram(ctx *provider.Context, data string) string {
 	org, _ := p.Store.Organization.GetOrganization(ctx.Request, ctx.OrgID)
 
 	var transport = &http.Transport{
+		Proxy: http.ProxyFromEnvironment,
 		TLSClientConfig: &tls.Config{
 			InsecureSkipVerify: true, // TODO should be glick.InsecureSkipVerifyTLS (from -insecure flag) but get error: x509: certificate signed by unknown authority
 		}}