diff --git a/querydsl-core/src/main/java/com/mysema/query/alias/Alias.java b/querydsl-core/src/main/java/com/mysema/query/alias/Alias.java
index efe84478a..c88438a78 100644
--- a/querydsl-core/src/main/java/com/mysema/query/alias/Alias.java
+++ b/querydsl-core/src/main/java/com/mysema/query/alias/Alias.java
@@ -149,6 +149,8 @@ public final class Alias {
         }
     }
     
+    @SuppressWarnings("unchecked")
+    @Nullable
     private static <D, P extends Path<D>> P getPath(D arg) {
         P rv = aliasFactory.<P>getCurrentAndReset();
         if (rv != null) {