diff --git a/src/dump_atom.cpp b/src/dump_atom.cpp
index c5c03e2050..d4700ce86a 100644
--- a/src/dump_atom.cpp
+++ b/src/dump_atom.cpp
@@ -125,7 +125,8 @@ int DumpAtom::modify_param(int narg, char **arg)
 
 void DumpAtom::write_header(int ndump)
 {
-  if (me == 0) (this->*header_choice)(ndump);
+  if (multiproc) (this->*header_choice)(ndump);
+  else if (me == 0) (this->*header_choice)(ndump);
 }
 
 /* ---------------------------------------------------------------------- */
diff --git a/src/dump_custom.cpp b/src/dump_custom.cpp
index fbee19b1b5..f4c50d4eb2 100644
--- a/src/dump_custom.cpp
+++ b/src/dump_custom.cpp
@@ -225,7 +225,8 @@ void DumpCustom::init()
 
 void DumpCustom::write_header(int ndump)
 {
-  if (me == 0) (this->*header_choice)(ndump);
+  if (multiproc) (this->*header_choice)(ndump);
+  else if (me == 0) (this->*header_choice)(ndump);
 }
 
 /* ---------------------------------------------------------------------- */