diff --git a/src/photo.c b/src/photo.c
index 62adf02..a5846ee 100644
--- a/src/photo.c
+++ b/src/photo.c
@@ -83,10 +83,9 @@ void cammy_photo_export(cammy_photo *src, uint8_t *dest, int stride) {
             int tile_x = x & 7,
                 tile_y = y & 7;
 
-            uint8_t value = 0;
-
-            value |= (tile->data[ tile_y<<1]    & (8 >> tile_x))
-                  | ((tile->data[(tile_y<<1)+1] & (8 >> tile_x)) << 1);
+            uint8_t value =
+                 (tile->data[ tile_y<<1]    & (0x80 >> tile_x)) >> (tile_x ^ 7)
+              | ((tile->data[(tile_y<<1)|1] & (0x80 >> tile_x)) >> (tile_x ^ 7) << 1);
 
             value ^= 3;