diff --git a/multiarea_model/data_multiarea/Model.py b/multiarea_model/data_multiarea/Model.py
index 8e5cc5e0fdcb3d4dc404f429fcfcf32fbd613823..2a7a0f88964c46c5e0d3d1ea93b0b25ca2a1f056 100644
--- a/multiarea_model/data_multiarea/Model.py
+++ b/multiarea_model/data_multiarea/Model.py
@@ -646,7 +646,7 @@ def compute_Model_params(out_label='', mode='default'):
             # if there is laminar information in CoCoMac, use it
             if Coco_Data[target_area][source_area]['source_pattern'] is not None:
                 sp = np.array(Coco_Data[target_area][source_area][
-                              'source_pattern'], dtype=np.float)
+                              'source_pattern'], dtype=float)
 
                 # Manually determine SLN, based on CoCoMac:
                 # from supragranular, then SLN=0.,