diff --git a/mace/kernels/opencl/cl/common.h b/mace/kernels/opencl/cl/common.h
index 604100d5312f361df7fad2afedea2b3a321b818a..09731d77fe92f948e2b287ad13eb4e5f0b304ec3 100644
--- a/mace/kernels/opencl/cl/common.h
+++ b/mace/kernels/opencl/cl/common.h
@@ -32,8 +32,8 @@
 #define CHECK_OUT_OF_RANGE_FOR_IMAGE2D(image, coord)
 #endif
 
-#define READ_IMAGET(image, coord, value) \
-  CMD_TYPE(read_image, CMD_DATA_TYPE)(image, coord, value)
+#define READ_IMAGET(image, sampler, coord) \
+  CMD_TYPE(read_image, CMD_DATA_TYPE)(image, sampler, coord)
 #define WRITE_IMAGET(image, coord, value)        \
   CHECK_OUT_OF_RANGE_FOR_IMAGE2D(image, coord)   \
   CMD_TYPE(write_image, CMD_DATA_TYPE)(image, coord, value);
diff --git a/mace/python/tools/converter.py b/mace/python/tools/converter.py
index 0f367da0fe81a9421cfdb200aea15cd9048310a4..8b43ce7fcf50c3034ac00c72c77bf3fca037eb55 100644
--- a/mace/python/tools/converter.py
+++ b/mace/python/tools/converter.py
@@ -175,7 +175,7 @@ def parse_args():
     parser.add_argument(
         "--platform", type=str, default="tensorflow", help="tensorflow/caffe")
     parser.add_argument(
-        "--embed_model_data", type=str2bool, default=True, help="input shape.")
+        "--embed_model_data", type=str2bool, default=True, help="embed model data.")
     return parser.parse_known_args()