diff --git a/worldedit-core/src/main/java/com/fastasyncworldedit/core/configuration/Config.java b/worldedit-core/src/main/java/com/fastasyncworldedit/core/configuration/Config.java
index dcc2c32287..c031da5ab7 100644
--- a/worldedit-core/src/main/java/com/fastasyncworldedit/core/configuration/Config.java
+++ b/worldedit-core/src/main/java/com/fastasyncworldedit/core/configuration/Config.java
@@ -350,8 +350,8 @@ private void save(PrintWriter writer, Class<?> clazz, final Object instance, int
                     }
                 }
                 Create create = field.getAnnotation(Create.class);
+                Object value = field.get(instance);
                 if (create != null) {
-                    Object value = field.get(instance);
                     setAccessible(field);
                     if (indent == 0) {
                         writer.write(CTRF);
@@ -369,10 +369,8 @@ private void save(PrintWriter writer, Class<?> clazz, final Object instance, int
                     }
                     save(writer, current, value, indent + 2, parentNode == null ? node : parentNode + "." + node);
                 } else {
-                    writer.write(spacing + toNodeName(field.getName() + ": ") + toYamlString(
-                            field.get(instance),
-                            spacing
-                    ) + CTRF);
+                    String separator = value instanceof List<?> list && !list.isEmpty() ? ":" : ": ";
+                    writer.write(spacing + toNodeName(field.getName()) + separator + toYamlString(value, spacing) + CTRF);
                 }
             }
         } catch (Throwable e) {
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/command/SelectionCommands.java b/worldedit-core/src/main/java/com/sk89q/worldedit/command/SelectionCommands.java
index 8dba6fe0ce..5b5fb19730 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/command/SelectionCommands.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/command/SelectionCommands.java
@@ -55,6 +55,7 @@
 import com.sk89q.worldedit.function.mask.RegionMask;
 import com.sk89q.worldedit.function.operation.Operations;
 import com.sk89q.worldedit.function.visitor.RegionVisitor;
+import com.sk89q.worldedit.internal.annotation.Chunk3d;
 import com.sk89q.worldedit.internal.annotation.Direction;
 import com.sk89q.worldedit.internal.annotation.MultiDirection;
 import com.sk89q.worldedit.math.BlockVector3;
@@ -246,6 +247,7 @@ public void hpos2(Player player, LocalSession session) throws WorldEditException
     public void chunk(
             Actor actor, World world, LocalSession session,
             @Arg(desc = "The chunk to select", def = "")
+            @Chunk3d
                     BlockVector3 coordinates,
             @Switch(name = 's', desc = "Expand your selection to encompass all chunks that are part of it")
                     boolean expandSelection,