diff --git a/src/jrd/jrd.cpp b/src/jrd/jrd.cpp
index 827c5357e5..7550f5416c 100644
--- a/src/jrd/jrd.cpp
+++ b/src/jrd/jrd.cpp
@@ -5824,6 +5824,9 @@ static void release_attachment(ATT attachment)
 		if (*vector)
 			delete *vector;
 
+	if (attachment->att_filename)
+		delete attachment->att_filename;
+
 	if (attachment->att_working_directory)
 		delete attachment->att_working_directory;