diff --git a/src/main/java/org/aksw/iguana/cc/utils/http/StreamEntityProducer.java b/src/main/java/org/aksw/iguana/cc/utils/http/StreamEntityProducer.java
index 53320c98..f05c1c19 100644
--- a/src/main/java/org/aksw/iguana/cc/utils/http/StreamEntityProducer.java
+++ b/src/main/java/org/aksw/iguana/cc/utils/http/StreamEntityProducer.java
@@ -98,6 +98,10 @@ public String getContentEncoding() {
 
     @Override
     public void releaseResources() {
+        if (content != null) {
+            content.clear();
+        }
+
         if (currentStream != null) {
             try {
                 currentStream.close();