diff --git a/matrix/src/lib.rs b/matrix/src/lib.rs
index f7cfce0..6a0aefc 100644
--- a/matrix/src/lib.rs
+++ b/matrix/src/lib.rs
@@ -32,13 +32,13 @@ impl<const COUNT: usize> Matrix<COUNT> {
     }
 
     pub fn transpose(&mut self) {
-        let tmp = [
-            [self.matrix[0][0], self.matrix[1][0], self.matrix[2][0], self.matrix[3][0], ],
-            [self.matrix[0][1], self.matrix[1][1], self.matrix[2][1], self.matrix[3][1], ],
-            [self.matrix[0][2], self.matrix[1][2], self.matrix[2][2], self.matrix[3][2], ],
-            [self.matrix[0][3], self.matrix[1][3], self.matrix[2][3], self.matrix[3][3], ],
-        ];
-         // self.matrix = tmp;
+        for i in 0..self.matrix.len() {
+            for j in i..self.matrix[0].len() {
+                let v = self.matrix[i][j];
+                self.matrix[i][j] = self.matrix[j][i];
+                self.matrix[j][i] = v;
+            }
+        }
     }
 
     pub fn determinant(&self) -> f32 {