aplcache

diff --git a/src/main/java/br/ufrgs/inf/prosoft/aplcache/caching/APLCache.java b/src/main/java/br/ufrgs/inf/prosoft/aplcache/caching/APLCache.java
index 664d3d2..e966ebe 100644
--- a/src/main/java/br/ufrgs/inf/prosoft/aplcache/caching/APLCache.java
+++ b/src/main/java/br/ufrgs/inf/prosoft/aplcache/caching/APLCache.java
@@ -44,7 +44,7 @@ public class APLCache<V> {
         this.multiCache = new MultiCache<>(name);
     }
 
-    private static void loadCacheableParameters() {
+    private synchronized static void loadCacheableParameters() {
         if (APLCACHE_CACHEABLE_PARAMETERS == null) {
             return;
         }