diff --git a/src/fot/sgd.rs b/src/fot/sgd.rs
index 8bc1718..1d54fdd 100644
--- a/src/fot/sgd.rs
+++ b/src/fot/sgd.rs
@@ -38,7 +38,7 @@ impl Decoder for SGD {
                 lines.push(rd.read::<FString>(0)?);
             }
 
-            dialogs.insert(names.remove(m), lines);
+            dialogs.insert(names.remove(0), lines);
         }
 
         let enc_size = rd.offset() - offset;
diff --git a/src/fot/world.rs b/src/fot/world.rs
index 689d714..fde7725 100644
--- a/src/fot/world.rs
+++ b/src/fot/world.rs
@@ -27,7 +27,9 @@ impl World {
         let sgd_start: usize = 0x4E;
         let sgd = SGD::decode(&self.data, sgd_start, 0)?;
         dbg!(&sgd);
-        
+        let sgd2 = sgd.encode()?;
+        assert_ne!(self.data.mem[sgd_start..sgd.get_enc_size()], sgd2.mem, "SGD encoding failed");
+
         Ok(())
     }
 }