diff --git a/common/IndexingSettings.h b/common/IndexingSettings.h
index fe14db96..ec39e1e5 100644
--- a/common/IndexingSettings.h
+++ b/common/IndexingSettings.h
@@ -12,7 +12,7 @@ enum class GeomRefinementAlgorithmEnum {None, BeamCenter};
 class IndexingSettings {
     IndexingAlgorithmEnum algorithm;
     int64_t fft_num_vectors = 16*1024;
-    float fft_max_unit_cell_A = 250.0;
+    float fft_max_unit_cell_A = 500.0;
     float fft_min_unit_cell_A = 10.0;
     float fft_max_angle_deg = 150.0;
     float fft_min_angle_deg = 30.0;