diff --git a/config/src/test/groovy/org/springframework/security/config/annotation/issue50/ApplicationConfig.java b/config/src/test/java/org/springframework/security/config/annotation/issue50/ApplicationConfig.java
similarity index 100%
rename from config/src/test/groovy/org/springframework/security/config/annotation/issue50/ApplicationConfig.java
rename to config/src/test/java/org/springframework/security/config/annotation/issue50/ApplicationConfig.java