diff --git a/AMS_Master_Code/Core/Lib/ADBMS6830B_Driver/Core/Src/ADBMS_LL_Driver.c b/AMS_Master_Code/Core/Lib/ADBMS6830B_Driver/Core/Src/ADBMS_LL_Driver.c
index a35c61c..8d4a2b9 100644
--- a/AMS_Master_Code/Core/Lib/ADBMS6830B_Driver/Core/Src/ADBMS_LL_Driver.c
+++ b/AMS_Master_Code/Core/Lib/ADBMS6830B_Driver/Core/Src/ADBMS_LL_Driver.c
@@ -271,5 +271,5 @@ HAL_StatusTypeDef __pollCMD(uint16_t command, uint8_t waitTime) {
     return status;
   }
 
-  return ((buffer[4 + (N_BMS * 2)] & 0x0F) == 0x0) ? HAL_BUSY : HAL_OK; //SDO goes high when data is ready
+  return ((buffer[sizeof buffer] & 0x0F) == 0x0) ? HAL_BUSY : HAL_OK; //SDO goes high when data is ready
 }
\ No newline at end of file