diff --git a/.gitignore b/.gitignore
index 9f30a35..2d74f5a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 pkg/*
 *.gem
 .bundle
+.rvmrc
diff --git a/lib/query_reviewer/sql_query.rb b/lib/query_reviewer/sql_query.rb
index 212ae6b..8979932 100644
--- a/lib/query_reviewer/sql_query.rb
+++ b/lib/query_reviewer/sql_query.rb
@@ -65,7 +65,7 @@ def max_severity
     end
 
     def table
-      @subqueries.first.table
+      @subqueries.first.try(:table)
     end
 
     def analyze!