diff --git a/linter.py b/linter.py
index d9e2c46..18ef754 100644
--- a/linter.py
+++ b/linter.py
@@ -1,18 +1,31 @@
-from SublimeLinter.lint import RubyLinter
+from SublimeLinter.lint import Linter
+
+
+class RubyLinter(Linter):
+    def context_sensitive_executable_path(self, cmd):
+        # The default implementation will look for a user defined `executable`
+        # setting.
+        success, executable = super().context_sensitive_executable_path(cmd)
+        if success:
+            return True, executable
+
+        gem_name = cmd[0] if isinstance(cmd, list) else cmd
+
+        if self.settings.get('use_bundle_exec', False):
+            return True, ['bundle', 'exec', gem_name]
+
+        rvm = self.which('rvm-auto-ruby')
+        if rvm:
+            return True, [rvm, '-S', gem_name]
+
+        return False, None
 
 
 class Mdl(RubyLinter):
-    executable = 'mdl'
+    cmd = ['mdl', '${temp_file}']
     regex = r'^.+?:(?P<line>\d+): (?P<warning>(?P<message>[^`]*))'
     line_col_base = (1, 1)
     tempfile_suffix = 'md'
     defaults = {
         'selector': 'text.html.markdown'
     }
-
-    def cmd(self):
-        """Support bundle-exec."""
-
-        if self.get_view_settings().get('bundle-exec', False):
-            return ('bundle', 'exec', self.executable)
-        return (self.executable_path)