diff --git a/lib/cpp/src/transport/TFileTransport.cpp b/lib/cpp/src/transport/TFileTransport.cpp
index 6879079..6c4920f 100644
--- a/lib/cpp/src/transport/TFileTransport.cpp
+++ b/lib/cpp/src/transport/TFileTransport.cpp
@@ -150,7 +150,7 @@
   }
 
   if (readBuff_) {
-    delete readBuff_;
+    delete[] readBuff_;
     readBuff_ = NULL;
   }