1 files changed, 1 insertions, 1 deletions
diff --git a/javaparser-core/src/main/java/com/github/javaparser/ast/observing/PropagatingAstObserver.java b/javaparser-core/src/main/java/com/github/javaparser/ast/observing/PropagatingAstObserver.java
index bf4638154..d602c773f 100644
--- a/javaparser-core/src/main/java/com/github/javaparser/ast/observing/PropagatingAstObserver.java
+++ b/javaparser-core/src/main/java/com/github/javaparser/ast/observing/PropagatingAstObserver.java
@@ -14,7 +14,7 @@ public abstract class PropagatingAstObserver implements AstObserver {
      */
     public static PropagatingAstObserver transformInPropagatingObserver(final AstObserver observer) {
         if (observer instanceof PropagatingAstObserver) {
-            return (PropagatingAstObserver)observer;
+            return (PropagatingAstObserver) observer;
         }
         return new PropagatingAstObserver() {
             @Override