diff --git a/install b/install
index 019e4d85d9ad56bea42d1348616e70baf0596a9c..a2afdc2fbd759e953b7b20c98d0e2ac4d9a93b82 100755
--- a/install
+++ b/install
@@ -212,7 +212,7 @@ if [ ! -d "$i_dir/PETSC" -o ! -d "$i_dir/EIGEN" ]; then
     if [ $sq -eq 0 ]; then
       read inst_lin_alg
     else
-      inst_lin_alg = n
+      inst_lin_alg = y
     fi
 fi