diff --git a/src/toolbox_scs/routines/boz.py b/src/toolbox_scs/routines/boz.py
index b90b7a815b602e14dc119c0d6939831bedf63fd4..1cf6fb9bf4f711ce835780f73c015f2ada8252e8 100644
--- a/src/toolbox_scs/routines/boz.py
+++ b/src/toolbox_scs/routines/boz.py
@@ -28,6 +28,11 @@ try:
     _can_use_gpu = True
 except ModuleNotFoundError:
     _can_use_gpu = False
+    print('cupy module not installed')
+except ImportError:
+    _can_use_gpu = False
+    print('Not on GPU')
+
 
 __all__ = [
     'parameters',