diff --git a/src/grome/matrix.zig b/src/grome/matrix.zig
index 818d861..d056eee 100644
--- a/src/grome/matrix.zig
+++ b/src/grome/matrix.zig
@@ -164,7 +164,7 @@ pub fn SubMatrix(comptime T: type) type {
         }
 
         pub fn get(self: *const @This(), loc: Point) !T {
-            if (loc.x >= self._mask.width or loc.y >= self._mask.width) {
+            if (loc.x >= self._mask.width or loc.y >= self._mask.height) {
                 return Error.OutOfBounds;
             }
 
diff --git a/src/view/draw.zig b/src/view/draw.zig
index e42763a..2a405f9 100644
--- a/src/view/draw.zig
+++ b/src/view/draw.zig
@@ -40,8 +40,8 @@ pub const DoubleBuffer = struct {
     }
 
     pub fn deinit(self: *@This(), gpa: Allocator) void {
-        gpa.free(self.display);
-        gpa.free(self.write);
+        gpa.free(self.a);
+        gpa.free(self.b);
     }
 
     pub fn frame(self: *@This(), loc: Point, size: Rect) SubMatrix(Cell) {