diff --git a/lib/daru/io/importers/sql.rb b/lib/daru/io/importers/sql.rb
index f9b3381..f7dea59 100644
--- a/lib/daru/io/importers/sql.rb
+++ b/lib/daru/io/importers/sql.rb
@@ -56,7 +56,7 @@ def from(dbh)
         #   # 0     1 Homer    20
         #   # 1     2 Marge    30
         def read(path)
-          db = attempt_sqlite3_connection(path) if Pathname(db).exist?
+          db = attempt_sqlite3_connection(path) if Pathname(path).exist?
           from(db)
         end
 
diff --git a/spec/daru/io/importers/sql_spec.rb b/spec/daru/io/importers/sql_spec.rb
index bebd3ca..01e440e 100644
--- a/spec/daru/io/importers/sql_spec.rb
+++ b/spec/daru/io/importers/sql_spec.rb
@@ -53,6 +53,8 @@
   end
 
   context 'with path to sqlite3 file' do
+    subject { described_class.new(query).read(source) }
+
     let(:source) { db_name }
 
     it_behaves_like 'exact daru dataframe',