diff --git a/services/auth/source/oauth2/providers.go b/services/auth/source/oauth2/providers.go
index 7572aa20c..e3a0cb033 100644
--- a/services/auth/source/oauth2/providers.go
+++ b/services/auth/source/oauth2/providers.go
@@ -22,7 +22,7 @@ import (
 type Provider interface {
 	Name() string
 	DisplayName() string
-	IconHTML() template.HTML
+	IconHTML(size int) template.HTML
 	CustomURLSettings() *CustomURLSettings
 }
 
@@ -54,14 +54,16 @@ func (p *AuthSourceProvider) DisplayName() string {
 	return p.sourceName
 }
 
-func (p *AuthSourceProvider) IconHTML() template.HTML {
+func (p *AuthSourceProvider) IconHTML(size int) template.HTML {
 	if p.iconURL != "" {
-		img := fmt.Sprintf(`<img class="gt-object-contain gt-mr-3" width="20" height="20" src="%s" alt="%s">`,
+		img := fmt.Sprintf(`<img class="gt-object-contain gt-mr-3" width="%d" height="%d" src="%s" alt="%s">`,
+			size,
+			size,
 			html.EscapeString(p.iconURL), html.EscapeString(p.DisplayName()),
 		)
 		return template.HTML(img)
 	}
-	return p.GothProvider.IconHTML()
+	return p.GothProvider.IconHTML(size)
 }
 
 // Providers contains the map of registered OAuth2 providers in Gitea (based on goth)
diff --git a/services/auth/source/oauth2/providers_base.go b/services/auth/source/oauth2/providers_base.go
index 5ba06feba..5b6694487 100644
--- a/services/auth/source/oauth2/providers_base.go
+++ b/services/auth/source/oauth2/providers_base.go
@@ -27,7 +27,7 @@ func (b *BaseProvider) DisplayName() string {
 }
 
 // IconHTML returns icon HTML for this provider
-func (b *BaseProvider) IconHTML() template.HTML {
+func (b *BaseProvider) IconHTML(size int) template.HTML {
 	svgName := "gitea-" + b.name
 	switch b.name {
 	case "gplus":
@@ -35,10 +35,10 @@ func (b *BaseProvider) IconHTML() template.HTML {
 	case "github":
 		svgName = "octicon-mark-github"
 	}
-	svgHTML := svg.RenderHTML(svgName, 20, "gt-mr-3")
+	svgHTML := svg.RenderHTML(svgName, size, "gt-mr-3")
 	if svgHTML == "" {
 		log.Error("No SVG icon for oauth2 provider %q", b.name)
-		svgHTML = svg.RenderHTML("gitea-openid", 20, "gt-mr-3")
+		svgHTML = svg.RenderHTML("gitea-openid", size, "gt-mr-3")
 	}
 	return svgHTML
 }
diff --git a/services/auth/source/oauth2/providers_openid.go b/services/auth/source/oauth2/providers_openid.go
index 54530ae8a..a4dcfcafc 100644
--- a/services/auth/source/oauth2/providers_openid.go
+++ b/services/auth/source/oauth2/providers_openid.go
@@ -28,8 +28,8 @@ func (o *OpenIDProvider) DisplayName() string {
 }
 
 // IconHTML returns icon HTML for this provider
-func (o *OpenIDProvider) IconHTML() template.HTML {
-	return svg.RenderHTML("gitea-openid", 20, "gt-mr-3")
+func (o *OpenIDProvider) IconHTML(size int) template.HTML {
+	return svg.RenderHTML("gitea-openid", size, "gt-mr-3")
 }
 
 // CreateGothProvider creates a GothProvider from this Provider
diff --git a/templates/user/auth/signin_inner.tmpl b/templates/user/auth/signin_inner.tmpl
index ec4852422..2b72f119c 100644
--- a/templates/user/auth/signin_inner.tmpl
+++ b/templates/user/auth/signin_inner.tmpl
@@ -62,7 +62,7 @@
 				{{range $key := .OrderedOAuth2Names}}
 					{{$provider := index $.OAuth2Providers $key}}
 					<a class="{{$provider.Name}} ui button gt-df gt-ac gt-jc gt-py-3 oauth-login-link" href="{{AppSubUrl}}/user/oauth2/{{$key}}">
-						{{$provider.IconHTML}}
+						{{$provider.IconHTML 28}}
 						{{$.locale.Tr "sign_in_with_provider" $provider.DisplayName}}
 					</a>
 				{{end}}
diff --git a/templates/user/auth/signup_inner.tmpl b/templates/user/auth/signup_inner.tmpl
index 931efcf04..e3dd33783 100644
--- a/templates/user/auth/signup_inner.tmpl
+++ b/templates/user/auth/signup_inner.tmpl
@@ -66,7 +66,7 @@
 						{{range $key := .OrderedOAuth2Names}}
 							{{$provider := index $.OAuth2Providers $key}}
 							<a class="{{$provider.Name}} ui button gt-df gt-ac gt-jc gt-py-3 oauth-login-link" href="{{AppSubUrl}}/user/oauth2/{{$key}}">
-								{{$provider.IconHTML}}
+								{{$provider.IconHTML 28}}
 								{{$.locale.Tr "sign_in_with_provider" $provider.DisplayName}}
 							</a>
 						{{end}}
diff --git a/templates/user/settings/security/accountlinks.tmpl b/templates/user/settings/security/accountlinks.tmpl
index f64277b5a..7fbd39cbd 100644
--- a/templates/user/settings/security/accountlinks.tmpl
+++ b/templates/user/settings/security/accountlinks.tmpl
@@ -10,7 +10,7 @@
 					{{range $key := .OrderedOAuth2Names}}
 						{{$provider := index $.OAuth2Providers $key}}
 						<a class="item" href="{{AppSubUrl}}/user/oauth2/{{$key}}">
-							{{$provider.IconHTML}}
+							{{$provider.IconHTML 20}}
 							{{$provider.DisplayName}}
 						</a>
 					{{end}}