diff --git a/src/galaxy_ninja/galsec.py b/src/galaxy_ninja/galsec.py
index bdb897a..a40b0e2 100644
--- a/src/galaxy_ninja/galsec.py
+++ b/src/galaxy_ninja/galsec.py
@@ -565,8 +565,8 @@ class Galsec(GalsecAnalysis):
                 if binning_mode == "delta":
                     delta = bins[name]
                 elif binning_mode == "number":
-                    bin_min = filter_bounds[name][0].value
-                    bin_max = filter_bounds[name][1].value
+                    bin_min = filter_bounds[name][0]
+                    bin_max = filter_bounds[name][1]
                     delta = (bin_max - bin_min) / bins[name]
 
                 if delta is not None: