diff --git a/server/src/construct.rs b/server/src/construct.rs
index 3137184b..7c45217b 100644
--- a/server/src/construct.rs
+++ b/server/src/construct.rs
@@ -9,6 +9,7 @@ use failure::err_msg;
 
 use skill::{Skill, Cast, Immunity, Disable, Event};
 use effect::{Cooldown, Effect, Colour};
+use names::{name};
 use spec::{Spec};
 use item::{Item};
 use img;
@@ -251,6 +252,10 @@ impl Construct {
         self
     }
 
+    pub fn new_name(self) -> Construct {
+        self.named(&name())
+    }
+
     pub fn learn(mut self, s: Skill) -> Construct {
         self.skills.push(ConstructSkill::new(s));
         self.colours = Colours::from_construct(&self);
diff --git a/server/src/mtx.rs b/server/src/mtx.rs
index 196a5682..c33ada61 100644
--- a/server/src/mtx.rs
+++ b/server/src/mtx.rs
@@ -74,12 +74,14 @@ pub fn apply(tx: &mut Transaction, account: &Account, variant: MtxVariant, const
 
     account::debit(tx, account.id, 1)?;
 
-    construct = construct.new_img();
+    construct = match mtx.variant {
+        MtxVariant::Rename => construct.new_name(),
+        _ => construct.new_img(),
+    };
     match mtx.variant {
         MtxVariant::Invader => img::invader_write(construct.img)?,
         MtxVariant::Molecular => img::molecular_write(construct.img)?,
-        MtxVariant::Rename => unimplemented!(),
-        // _ => unimplemented!(),
+        _ => construct.img,
     };
 
     construct_write(tx, construct)?;