diff --git a/.gitignore b/.gitignore
index cd531cf..640c904 100644
--- a/.gitignore
+++ b/.gitignore
@@ -52,3 +52,4 @@ Module.symvers
 Mkfile.old
 dkms.conf
 
+.ccls-cache/
\ No newline at end of file
diff --git a/main.c b/main.c
index fb60c61..88c91f6 100644
--- a/main.c
+++ b/main.c
@@ -122,14 +122,18 @@ static unsigned interval_ms = 1000 / FRAME_RATE;
 
 static uint8_t frame_buffer[FRAME_WIDTH * FRAME_HEIGHT * 2];
 static void get_frame(uint8_t *buffer) {
-  for (int i = 0; i < FRAME_HEIGHT; i++) {
-    for (int j = 0; j < FRAME_WIDTH * 2; j += 4) {
-      uint8_t c =
-          config.image_buf[(2 + 320 - 2 * i) * 324 + (2 + 40 + 2 * (j / 2))];
-      buffer[2 * FRAME_WIDTH * i + j] = c;
-      buffer[2 * FRAME_WIDTH * i + j + 1] = 128;
-      buffer[2 * FRAME_WIDTH * i + j + 2] = c;
-      buffer[2 * FRAME_WIDTH * i + j + 3] = 128;
+  uint8_t *ptr = buffer;
+  int offset, i, j;
+  uint8_t c;
+
+  for (i = 0; i < FRAME_HEIGHT; i++) {
+    offset = (-648 * i) + 104370;
+    for (j = 0; j < FRAME_WIDTH * 2; j += 4) {
+      c = config.image_buf[offset + j];
+      *ptr++ = c;
+      *ptr++ = 128;
+      *ptr++ = c;
+      *ptr++ = 128;
     }
   }
 }