diff --git a/lib/scrooge.rb b/lib/scrooge.rb
index 8490fce..dcb9c76 100644
--- a/lib/scrooge.rb
+++ b/lib/scrooge.rb
@@ -134,7 +134,8 @@ def find_by_sql(sql)
       # Only scope n-1 rows by default.
       # Stephen: Temp. relaxed the LIMIT constraint - please advise.
       def scope_with_scrooge?( sql )
-        sql =~ scrooge_select_regex && column_names.include?(self.primary_key.to_s) #&& sql !~ /LIMIT 1$/
+        sql =~ scrooge_select_regex && column_names.include?(self.primary_key.to_s) &&
+          sql !~ /INNER JOIN/  #&& sql !~ /LIMIT 1$/
       end
 
       # Populate the storage for a given callsite signature