diff --git a/src/essence_parser/KLVEssenceReader.cpp b/src/essence_parser/KLVEssenceReader.cpp
index aa09496a..7c08a665 100644
--- a/src/essence_parser/KLVEssenceReader.cpp
+++ b/src/essence_parser/KLVEssenceReader.cpp
@@ -50,6 +50,7 @@ KLVEssenceReader::KLVEssenceReader(KLVEssenceSource *essence_source)
 
 KLVEssenceReader::~KLVEssenceReader()
 {
+    delete mEssenceSource;
 }
 
 uint32_t KLVEssenceReader::ReadValue()