diff --git a/org.springframework.web.servlet/src/main/java/org/springframework/web/servlet/tags/form/OptionWriter.java b/org.springframework.web.servlet/src/main/java/org/springframework/web/servlet/tags/form/OptionWriter.java
index 0284d86ca36..41eb9296db6 100644
--- a/org.springframework.web.servlet/src/main/java/org/springframework/web/servlet/tags/form/OptionWriter.java
+++ b/org.springframework.web.servlet/src/main/java/org/springframework/web/servlet/tags/form/OptionWriter.java
@@ -135,7 +135,7 @@ class OptionWriter {
 		else if (this.optionSource instanceof Map) {
 			renderFromMap(tagWriter);
 		}
-		else if (this.optionSource instanceof Class && this.optionSource.getClass().isEnum()) {
+		else if (this.optionSource instanceof Class && ((Class) this.optionSource).isEnum()) {
 			renderFromEnum(tagWriter);
 		}
 		else {