diff --git a/src/dump_atom.cpp b/src/dump_atom.cpp
index 4c7e465bcf..8f09b93f1a 100644
--- a/src/dump_atom.cpp
+++ b/src/dump_atom.cpp
@@ -209,7 +209,7 @@ void DumpAtom::header_binary_triclinic(bigint ndump)
 
 void DumpAtom::header_item(bigint ndump)
 {
-  fprintf(fp,"ITEM: UNITS %s\n",update->unit_style);
+  fprintf(fp,"ITEM: UNITS\n%s\n",update->unit_style);
   fprintf(fp,"ITEM: TIMESTEP\n");
   fprintf(fp,BIGINT_FORMAT "\n",update->ntimestep);
   fprintf(fp,"ITEM: NUMBER OF ATOMS\n");
@@ -225,7 +225,7 @@ void DumpAtom::header_item(bigint ndump)
 
 void DumpAtom::header_item_triclinic(bigint ndump)
 {
-  fprintf(fp,"ITEM: UNITS %s\n",update->unit_style);
+  fprintf(fp,"ITEM: UNITS\n%s\n",update->unit_style);
   fprintf(fp,"ITEM: TIMESTEP\n");
   fprintf(fp,BIGINT_FORMAT "\n",update->ntimestep);
   fprintf(fp,"ITEM: NUMBER OF ATOMS\n");
diff --git a/src/dump_custom.cpp b/src/dump_custom.cpp
index c96bd44358..3de0e6fb3b 100644
--- a/src/dump_custom.cpp
+++ b/src/dump_custom.cpp
@@ -420,7 +420,7 @@ void DumpCustom::header_binary_triclinic(bigint ndump)
 
 void DumpCustom::header_item(bigint ndump)
 {
-  fprintf(fp,"ITEM: UNITS %s\n",update->unit_style);
+  fprintf(fp,"ITEM: UNITS\n%s\n",update->unit_style);
   fprintf(fp,"ITEM: TIMESTEP\n");
   fprintf(fp,BIGINT_FORMAT "\n",update->ntimestep);
   fprintf(fp,"ITEM: NUMBER OF ATOMS\n");
diff --git a/src/dump_local.cpp b/src/dump_local.cpp
index fb64012cf1..7cdc3ea16f 100644
--- a/src/dump_local.cpp
+++ b/src/dump_local.cpp
@@ -256,7 +256,7 @@ int DumpLocal::modify_param(int narg, char **arg)
 void DumpLocal::write_header(bigint ndump)
 {
   if (me == 0) {
-    fprintf(fp,"ITEM: UNITS %s\n",update->unit_style);
+    fprintf(fp,"ITEM: UNITS\n%s\n",update->unit_style);
     fprintf(fp,"ITEM: TIMESTEP\n");
     fprintf(fp,BIGINT_FORMAT "\n",update->ntimestep);
     fprintf(fp,"ITEM: NUMBER OF %s\n",label);