diff --git a/services/auth/source/oauth2/providers.go b/services/auth/source/oauth2/providers.go
index 16620fad6d..67367aacd0 100644
--- a/services/auth/source/oauth2/providers.go
+++ b/services/auth/source/oauth2/providers.go
@@ -56,7 +56,7 @@ func (p *AuthSourceProvider) DisplayName() string {
 
 func (p *AuthSourceProvider) IconHTML() template.HTML {
 	if p.iconURL != "" {
-		img := fmt.Sprintf(`<img class="gt-mr-3" width="20" height="20" src="%s" alt="%s">`,
+		img := fmt.Sprintf(`<img class="gt-mr-3 oauth-provider-icon" src="%s" alt="%s">`,
 			html.EscapeString(p.iconURL), html.EscapeString(p.DisplayName()),
 		)
 		return template.HTML(img)
diff --git a/web_src/css/base.css b/web_src/css/base.css
index 213f3f88f2..3458f760d3 100644
--- a/web_src/css/base.css
+++ b/web_src/css/base.css
@@ -2289,3 +2289,8 @@ table th[data-sortt-desc] .svg {
   flex-wrap: wrap;
   gap: .25rem;
 }
+
+.oauth-provider-icon {
+  max-height: 20px;
+  max-width: 20px;
+}