diff --git a/pyls/plugins/flake8_lint.py b/pyls/plugins/flake8_lint.py
index 09ba0002..8ac70a84 100644
--- a/pyls/plugins/flake8_lint.py
+++ b/pyls/plugins/flake8_lint.py
@@ -81,11 +81,11 @@ def parse_report(document, report):
                 'code': code,
                 'range': {
                     'start': {
-                        'line': line,
+                        'line': line - 1,
                         'character': character
                     },
                     'end': {
-                        'line': line,
+                        'line': line - 1,
                         # no way to determine the column
                         'character': len(physical_line)
                     }
diff --git a/test/plugins/test_flake8_lint.py b/test/plugins/test_flake8_lint.py
index 407e3365..9be54d27 100644
--- a/test/plugins/test_flake8_lint.py
+++ b/test/plugins/test_flake8_lint.py
@@ -44,8 +44,8 @@ def test_flake8_lint(config):
 
         assert unused_var['source'] == 'flake8'
         assert unused_var['code'] == 'F841'
-        assert unused_var['range']['start'] == {'line': 6, 'character': 1}
-        assert unused_var['range']['end'] == {'line': 6, 'character': 11}
+        assert unused_var['range']['start'] == {'line': 5, 'character': 1}
+        assert unused_var['range']['end'] == {'line': 5, 'character': 11}
         assert unused_var['severity'] == lsp.DiagnosticSeverity.Warning
 
     finally: