diff --git a/core/mapi/processor/dumpStore.cpp b/core/mapi/processor/dumpStore.cpp
index 0ef7d4f02..901bbed89 100644
--- a/core/mapi/processor/dumpStore.cpp
+++ b/core/mapi/processor/dumpStore.cpp
@@ -822,6 +822,8 @@ namespace mapi::processor
 
 			WC_H_S(file::SaveToMSG(lpMessage, szFileName, fMapiUnicode != 0, nullptr, false));
 		}
+		MAPIFreeBuffer(lpsProps);
+
 	}
 
 	bool dumpStore::BeginMessageWork(