diff --git a/minigrida/descriptors/sdaps.py b/minigrida/descriptors/sdaps.py
index 6520e08..c9ace76 100644
--- a/minigrida/descriptors/sdaps.py
+++ b/minigrida/descriptors/sdaps.py
@@ -42,6 +42,11 @@ def run(gt, rasters, coords, remove, attributes, adjacency='4', filtering='direc
         X_raw = np.moveaxis(np.array(list(eap.vectorize())), 0, -1)
         y_raw = gti
 
+        if np.isnan(X_raw).any():
+            raise Exception('Found {} Nan on {}'.format(np.isnan(X_raw).sum(),
+                                                        coordsi))
+
+
         # Remove unwanted label X, y
         lbl = np.ones_like(y_raw, dtype=np.bool)
         for l in remove if remove else []:
@@ -51,7 +56,7 @@ def run(gt, rasters, coords, remove, attributes, adjacency='4', filtering='direc
         y += [y_raw[lbl]]
         groups += [np.repeat(coordsi, lbl.sum())]
 
-    X = np.concatenate(X).astype(np.float32)
+    X = np.concatenate(X)
     y = np.concatenate(y)
     groups = np.concatenate(groups)