diff --git a/src/reader_native.cpp b/src/reader_native.cpp
index ce49022297..3a5c17beb1 100644
--- a/src/reader_native.cpp
+++ b/src/reader_native.cpp
@@ -47,6 +47,8 @@ ReaderNative::ReaderNative(LAMMPS *lmp) : Reader(lmp)
 ReaderNative::~ReaderNative()
 {
   delete[] line;
+  delete[] magic_string;
+  delete[] unit_style;
   memory->destroy(fieldindex);
   memory->destroy(databuf);
 }