diff --git a/mypy-editor-integration b/mypy-editor-integration
index 5528fcbe9..df7d6915f 100755
--- a/mypy-editor-integration
+++ b/mypy-editor-integration
@@ -1,14 +1,19 @@
 #!/usr/bin/env python
 
+import os
 import subprocess
 import sys
 
-files = [x for x in sys.argv[1:] if not x.startswith('-')]
+base = os.path.dirname(os.path.abspath(__file__))
+files = [os.path.relpath(x, base) for x in sys.argv[1:] if not x.startswith('-')]
 if not files:
     raise SystemExit(subprocess.Popen(['mypy'] + sys.argv[1:]).wait())
 
 output = subprocess.run('dmypy run -- --follow-imports=error --show-column-numbers --no-color-output'.split(), stdout=subprocess.PIPE).stdout
 q = files[0] + ':'
+rc = 0
 for line in output.decode('utf-8').splitlines():
     if line.startswith(q):
         print(line)
+        rc = 1
+raise SystemExit(rc)