diff --git a/tests/streams/zlibstream.cpp b/tests/streams/zlibstream.cpp
index f70ff1e0e2..56d0e23978 100644
--- a/tests/streams/zlibstream.cpp
+++ b/tests/streams/zlibstream.cpp
@@ -176,7 +176,7 @@ zlibStream::zlibStream()
 
 zlibStream::~zlibStream()
 {
-    delete m_pCompressedData;
+    delete[] m_pCompressedData;
 
     delete m_pTmpMemInStream;
     delete m_pTmpMemOutStream;