diff --git a/src/main/java/org/olat/login/oauth/ui/OAuthAuthenticationController.java b/src/main/java/org/olat/login/oauth/ui/OAuthAuthenticationController.java
index e0ff4190af60ff62f5cdfdbeecbbc1161b437256..83586f445436ebf4fa5610580848c5d2393cb786 100644
--- a/src/main/java/org/olat/login/oauth/ui/OAuthAuthenticationController.java
+++ b/src/main/java/org/olat/login/oauth/ui/OAuthAuthenticationController.java
@@ -82,7 +82,7 @@ public class OAuthAuthenticationController extends FormBasicController implement
 		
 			FormLink button = uifactory.addFormLink(spiName, "login", spiName, null, formLayout, presentation);
 			button.setIconLeftCSS(spi.getIconCSS());
-			button.setElementCssClass("o_sel_auth_" + spiName);
+			button.setElementCssClass("o_sel_auth_" + spi.getName());
 			button.setUserObject(spi);
 		}
 	}