diff --git a/web/src/main/java/org/springframework/security/web/authentication/ui/DefaultLoginPageGeneratingFilter.java b/web/src/main/java/org/springframework/security/web/authentication/ui/DefaultLoginPageGeneratingFilter.java
index ae33768d38..4aafd03222 100644
--- a/web/src/main/java/org/springframework/security/web/authentication/ui/DefaultLoginPageGeneratingFilter.java
+++ b/web/src/main/java/org/springframework/security/web/authentication/ui/DefaultLoginPageGeneratingFilter.java
@@ -286,7 +286,7 @@ public class DefaultLoginPageGeneratingFilter extends GenericFilterBean {
 			.withValue("passwordParameter", this.passwordParameter)
 			.withRawHtml("rememberMeInput", renderRememberMe(this.rememberMeParameter))
 			.withRawHtml("hiddenInputs", hiddenInputs)
-			.withValue("autocomplete", this.passkeysEnabled ? "autocomplete=\"password webauthn\"" : "")
+			.withRawHtml("autocomplete", this.passkeysEnabled ? "autocomplete=\"password webauthn\" " : "")
 			.render();
 	}