1 files changed, 1 insertions, 1 deletions
diff --git a/src/gfx.rs b/src/gfx.rs
index f765a9b..ce7ae2e 100644
--- a/src/gfx.rs
+++ b/src/gfx.rs
@@ -122,7 +122,7 @@ pub async fn run(
             Close => *flow = ExitWithCode(0),
             NodeDefs(defs) => nodedefs = Some(defs),
             MapBlock(pos, blk) => {
-                if let Some(map) = &map {
+                if let Some(map) = &mut map {
                     map.add_block(pos, blk);
                 }
             }