diff --git a/system/camerad/cameras/camera_common.cc b/system/camerad/cameras/camera_common.cc
index 8ada8d2689..095e015cb9 100644
--- a/system/camerad/cameras/camera_common.cc
+++ b/system/camerad/cameras/camera_common.cc
@@ -27,14 +27,14 @@ public:
              "-cl-fast-relaxed-math -cl-denorms-are-zero -Isensors "
              "-DFRAME_WIDTH=%d -DFRAME_HEIGHT=%d -DFRAME_STRIDE=%d -DFRAME_OFFSET=%d "
              "-DRGB_WIDTH=%d -DRGB_HEIGHT=%d -DYUV_STRIDE=%d -DUV_OFFSET=%d "
-             "-DIS_AR=%d -DIS_OX=%d -DIS_OS=%d -DIS_10BIT=%d -DIS_HDR=%d -DHDR_OFFSET=%d -DVIGNETTING=%d ",
+             "-DIS_AR=%d -DIS_OX=%d -DIS_OS=%d -DIS_10BIT=%d -DHDR_OFFSET=%d -DVIGNETTING=%d ",
              ci->frame_width, ci->frame_height, ci->hdr_offset > 0 ? ci->frame_stride * 2 : ci->frame_stride, ci->frame_offset,
              b->rgb_width, b->rgb_height, buf_width, uv_offset,
              ci->image_sensor == cereal::FrameData::ImageSensor::AR0231,
              ci->image_sensor == cereal::FrameData::ImageSensor::OX03C10,
              ci->image_sensor == cereal::FrameData::ImageSensor::OS04C10,
              ci->mipi_format == CAM_FORMAT_MIPI_RAW_10,
-             ci->hdr_offset > 0, ci->hdr_offset,
+             ci->hdr_offset,
              s->camera_num == 1);
     const char *cl_file = "cameras/process_raw.cl";
     cl_program prg_imgproc = cl_program_from_file(context, device_id, cl_file, args);
diff --git a/system/camerad/cameras/process_raw.cl b/system/camerad/cameras/process_raw.cl
index 3f8b1ea40f..2ea1d0a30c 100644
--- a/system/camerad/cameras/process_raw.cl
+++ b/system/camerad/cameras/process_raw.cl
@@ -162,7 +162,7 @@ __kernel void process_raw(const __global uchar * in, __global uchar * out, int e
   }
   dat[2] = vload8(0, in + start_idx + FRAME_STRIDE*2);
   dat[3] = vload8(0, in + start_idx + FRAME_STRIDE*row_after_offset);
-  #if IS_HDR
+  #if HDR_COMBINE
     uchar8 short_dat[4];
     short_dat[0] = vload8(0, in + start_idx + FRAME_STRIDE*(row_before_offset+HDR_OFFSET/2) + FRAME_STRIDE/2);
     short_dat[1] = vload8(0, in + start_idx + FRAME_STRIDE*(1+HDR_OFFSET/2) + FRAME_STRIDE/2);
@@ -179,7 +179,7 @@ __kernel void process_raw(const __global uchar * in, __global uchar * out, int e
       extra[2] = in[start_idx + FRAME_STRIDE*2 + 8];
       extra[3] = in[start_idx + FRAME_STRIDE*row_after_offset + 8];
 		}
-    #if IS_HDR
+    #if HDR_COMBINE
       uchar short_extra[4];
       if (!aligned10) {
         short_extra[0] = in[start_idx + FRAME_STRIDE*(row_before_offset+HDR_OFFSET/2) + FRAME_STRIDE/2 + 8];
@@ -202,7 +202,7 @@ __kernel void process_raw(const __global uchar * in, __global uchar * out, int e
   float4 v_rows[4];
   // parse into floats
   #if IS_10BIT
-    #if IS_HDR
+    #if HDR_COMBINE
       v_rows[ROW_READ_ORDER[0]] = val4_from_10x2(dat[0], extra[0], short_dat[0], short_extra[0], aligned10, gain, expo_time);
       v_rows[ROW_READ_ORDER[1]] = val4_from_10x2(dat[1], extra[1], short_dat[1], short_extra[1], aligned10, gain, expo_time);
       v_rows[ROW_READ_ORDER[2]] = val4_from_10x2(dat[2], extra[2], short_dat[2], short_extra[2], aligned10, gain, expo_time);
diff --git a/system/camerad/sensors/os04c10_cl.h b/system/camerad/sensors/os04c10_cl.h
index 1e2183ebeb..a963b7bb2f 100644
--- a/system/camerad/sensors/os04c10_cl.h
+++ b/system/camerad/sensors/os04c10_cl.h
@@ -1,6 +1,7 @@
 #if IS_OS
 
 #define BGGR
+#define HDR_COMBINE
 
 float3 color_correct(float3 rgb) {
   float3 corrected = rgb.x * (float3)(1.55361989, -0.268894615, -0.000593219);