diff --git a/batch-represent/dataset.lua b/batch-represent/dataset.lua
index 76a7f4d..7d9cedc 100644
--- a/batch-represent/dataset.lua
+++ b/batch-represent/dataset.lua
@@ -327,7 +327,7 @@ end
 
 -- by default, just load the image and return it
 function dataset:defaultSampleHook(imgpath)
-   local out = image.load(imgpath, 3, byte)
+   local out = image.load(imgpath, 3, 'float')
    out = image.scale(out, self.sampleSize[3], self.sampleSize[2])
    return out
 end
diff --git a/training/dataset-issue-132.lua b/training/dataset-issue-132.lua
index 6b32e38..b396665 100644
--- a/training/dataset-issue-132.lua
+++ b/training/dataset-issue-132.lua
@@ -272,7 +272,7 @@ end
 
 -- by default, just load the image and return it
 function dataset:defaultSampleHook(imgpath)
-   local out = image.load(imgpath, 3, byte)
+   local out = image.load(imgpath, 3, 'float')
    out = image.scale(out, self.sampleSize[3], self.sampleSize[2])
    return out
 end