diff --git a/jedi/parser/tokenize.py b/jedi/parser/tokenize.py
index 82b02d66..44e1ac70 100644
--- a/jedi/parser/tokenize.py
+++ b/jedi/parser/tokenize.py
@@ -275,5 +275,6 @@ def generate_tokens(readline):
                 yield OP, token, spos, prefix
 
     for indent in indents[1:]:
-        yield DEDENT, '', spos, ''
-    yield ENDMARKER, '', spos, prefix
+        yield DEDENT, '', (lnum, max), ''
+    # As the last position we just take the max possible.
+    yield ENDMARKER, '', (lnum, max), prefix
diff --git a/test/test_parser/test_fast_parser.py b/test/test_parser/test_fast_parser.py
index 2b500872..ef00189b 100644
--- a/test/test_parser/test_fast_parser.py
+++ b/test/test_parser/test_fast_parser.py
@@ -425,3 +425,16 @@ def test_incomplete_function():
 
     script = jedi.Script(dedent(source), 1, 3)
     assert script.completions()
+
+
+def test_string_literals():
+    """Simplified case of jedi-vim#377."""
+    source = dedent("""
+    x = ur''' '''
+
+    def foo():
+        pass
+    x""")
+
+    script = jedi.Script(dedent(source))
+    assert script.completions()