diff --git a/board/src/position/position.rs b/board/src/position/position.rs
index 0557c27..b9d7133 100644
--- a/board/src/position/position.rs
+++ b/board/src/position/position.rs
@@ -259,28 +259,24 @@ impl FromIterator<PlacedPiece> for Position {
 
 impl fmt::Debug for Position {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        let mut output = String::new();
+        write!(f, "Position {{\n")?;
+        write!(f, "    color_to_move: {:?},\n", self.color_to_move)?;
 
-        output.push_str("Position {\n");
-        write!(output, "    color_to_move: {:?},\n", self.color_to_move)?;
-
-        output.push_str("    pieces_per_color: [\n");
+        write!(f, "    pieces_per_color: [\n")?;
         for bb in self.pieces_per_color {
-            write!(output, "        {bb:?},\n")?;
+            write!(f, "        {bb:?},\n")?;
         }
-        output.push_str("    ],\n");
+        write!(f, "    ],\n")?;
 
-        output.push_str("    pieces_per_type: [\n");
+        write!(f, "    pieces_per_type: [\n")?;
         for color_bbs in self.pieces_per_type {
-            output.push_str("        [\n");
+            write!(f, "        [\n")?;
             for bb in color_bbs {
-                write!(output, "            {bb:?},\n")?;
+                write!(f, "            {bb:?},\n")?;
             }
-            output.push_str("        ],\n");
+            write!(f, "        ],\n")?;
         }
-        output.push_str("    ],\n}");
-
-        write!(f, "{}", output)
+        write!(f, "    ],\n}}")
     }
 }