diff --git a/services/src/main/java/org/keycloak/broker/oidc/AbstractOAuth2IdentityProvider.java b/services/src/main/java/org/keycloak/broker/oidc/AbstractOAuth2IdentityProvider.java
index 691f9fab0e9..eb9d34e556c 100755
--- a/services/src/main/java/org/keycloak/broker/oidc/AbstractOAuth2IdentityProvider.java
+++ b/services/src/main/java/org/keycloak/broker/oidc/AbstractOAuth2IdentityProvider.java
@@ -561,7 +561,7 @@ public abstract class AbstractOAuth2IdentityProvider<C extends OAuth2IdentityPro
             }
 
             if (parameter != null && !parameter.isEmpty()) {
-                uriBuilder.queryParam(forwardParameter, URLEncoder.encode(parameter, StandardCharsets.UTF_8));
+                uriBuilder.queryParam(forwardParameter, parameter);
             }
         }
     }