diff --git a/src/main/java/com/alibaba/druid/filter/FilterManager.java b/src/main/java/com/alibaba/druid/filter/FilterManager.java
index 1b1410e5d6..7817f88bce 100644
--- a/src/main/java/com/alibaba/druid/filter/FilterManager.java
+++ b/src/main/java/com/alibaba/druid/filter/FilterManager.java
@@ -61,6 +61,7 @@ public static Properties loadFilterConfig() throws IOException {
         loadFilterConfig(filterProperties, ClassLoader.getSystemClassLoader());
         loadFilterConfig(filterProperties, FilterManager.class.getClassLoader());
         loadFilterConfig(filterProperties, Thread.currentThread().getContextClassLoader());
+        loadFilterConfig(filterProperties, FilterManager.class.getClassLoader());
 
         return filterProperties;
     }