diff --git a/pathways/lca.py b/pathways/lca.py
index ec1698e..a2f3b1a 100644
--- a/pathways/lca.py
+++ b/pathways/lca.py
@@ -15,8 +15,10 @@
 # If it isn't available, fall back on scipy's spsolve.
 try:
     from pypardiso import spsolve
+    print("Solver: pypardiso")
 except ImportError:
     from scikits.umfpack import spsolve
+    print("Solver: scikits.umfpack")
 
 
 def create_demand_vector(