diff --git a/src/opencl/openclwrapper.cpp b/src/opencl/openclwrapper.cpp
index 7bbb71948c..70117bb4ce 100644
--- a/src/opencl/openclwrapper.cpp
+++ b/src/opencl/openclwrapper.cpp
@@ -1998,7 +1998,7 @@ static void populateTessScoreEvaluationInputData(
     }
   }
 
-  input->pix = pixCreate(input->width, input->height, 1);
+  input->pix = pixCreate(input->width, input->height, 8 * input->numChannels);
 }
 
 struct TessDeviceScore {