diff --git a/src/COMPRESS/dump_atom_gz.cpp b/src/COMPRESS/dump_atom_gz.cpp
index 071af2167d..254e146800 100644
--- a/src/COMPRESS/dump_atom_gz.cpp
+++ b/src/COMPRESS/dump_atom_gz.cpp
@@ -11,16 +11,13 @@
    See the README file in the top-level LAMMPS directory.
 ------------------------------------------------------------------------- */
 
-#include "dump_atom_gz.h"
 #include "domain.h"
+#include "dump_atom_gz.h"
 #include "error.h"
-#include "file_writer.h"
 #include "update.h"
 
-
 #include <cstring>
 
-
 using namespace LAMMPS_NS;
 
 DumpAtomGZ::DumpAtomGZ(LAMMPS *lmp, int narg, char **arg) :
diff --git a/src/COMPRESS/dump_atom_zstd.cpp b/src/COMPRESS/dump_atom_zstd.cpp
index 300a4c81cb..dd744b5d49 100644
--- a/src/COMPRESS/dump_atom_zstd.cpp
+++ b/src/COMPRESS/dump_atom_zstd.cpp
@@ -43,7 +43,7 @@ DumpAtomZstd::~DumpAtomZstd()
 
 /* ----------------------------------------------------------------------
    generic opening of a dump file
-   ASCII or binary or zstdipped
+   ASCII or binary or compressed
    some derived classes override this function
 ------------------------------------------------------------------------- */
 
@@ -180,7 +180,7 @@ int DumpAtomZstd::modify_param(int narg, char **arg)
         return 2;
       }
     } catch (FileWriterException &e) {
-      error->one(FLERR, e.what());
+      error->one(FLERR, fmt::format("Illegal dump_modify command: {}", e.what()));
     }
   }
   return consumed;