diff --git a/system/camerad/sensors/ox03c10_registers.h b/system/camerad/sensors/ox03c10_registers.h
index ffa0b7957..7c6f25e23 100644
--- a/system/camerad/sensors/ox03c10_registers.h
+++ b/system/camerad/sensors/ox03c10_registers.h
@@ -64,21 +64,8 @@ const struct i2c_random_wr_payload init_array_ox03c10[] = {
   {0x3007, 0x01}, // io_pad_sel
   {0x3008, 0x80}, // io_pad_sel
 
-  // FSIN first frame
-  /*
-  {0x3009, 0x2},
-  {0x3015, 0x2},
-  {0x3822, 0x20},
-  {0x3823, 0x58},
-
-  {0x3826, 0x0}, {0x3827, 0x8},
-  {0x3881, 0x4},
-
-  {0x3882, 0x8}, {0x3883, 0x0D},
-  {0x3836, 0x1F}, {0x3837, 0x40},
-  */
-
-  // FSIN with external pulses
+  // FSIN (frame sync) with external pulses
+  {0x3822, 0x33},  // wait for pulse before first frame
   {0x3009, 0x2},
   {0x3015, 0x2},
   {0x383E, 0x80},