diff --git a/datasets/S3DIS.py b/datasets/S3DIS.py
index e183d7d..0b4054e 100644
--- a/datasets/S3DIS.py
+++ b/datasets/S3DIS.py
@@ -344,7 +344,7 @@ class S3DISDataset(PointCloudDataset):
             # Safe check for empty spheres
             if n < 2:
                 failed_attempts += 1
-                if failed_attempts > 2 * self.config.batch_num:
+                if failed_attempts > 100 * self.config.batch_num:
                     raise ValueError('It seems this dataset only containes empty input spheres')
                 t += [time.time()]
                 t += [time.time()]
@@ -550,7 +550,7 @@ class S3DISDataset(PointCloudDataset):
             # Safe check for empty spheres
             if n < 2:
                 failed_attempts += 1
-                if failed_attempts > 2 * self.config.batch_num:
+                if failed_attempts > 100 * self.config.batch_num:
                     raise ValueError('It seems this dataset only containes empty input spheres')
                 continue