diff --git a/pyls/plugins/definition.py b/pyls/plugins/definition.py
index cd1e4dd3..0e79a795 100644
--- a/pyls/plugins/definition.py
+++ b/pyls/plugins/definition.py
@@ -12,8 +12,9 @@ def pyls_definitions(document, position):
         d for d in definitions
         if d.is_definition() and d.line is not None and d.column is not None
     ]
+
     return [{
-        'uri': workspace.get_uri_like(document.uri, d.module_path),
+        'uri': workspace.get_uri_like(document.uri, d.module_path) if d.module_path else document.uri,
         'range': {
             'start': {'line': d.line - 1, 'character': d.column},
             'end': {'line': d.line - 1, 'character': d.column + len(d.name)}
diff --git a/pyls/plugins/references.py b/pyls/plugins/references.py
index ad338bdf..c77e26c9 100644
--- a/pyls/plugins/references.py
+++ b/pyls/plugins/references.py
@@ -15,7 +15,7 @@ def pyls_references(document, position, exclude_declaration=False):
         usages = [d for d in usages if not d.is_definition()]
 
     return [{
-        'uri': workspace.get_uri_like(document.uri, d.module_path),
+        'uri': workspace.get_uri_like(document.uri, d.module_path) if d.module_path else document.uri,
         'range': {
             'start': {'line': d.line - 1, 'character': d.column},
             'end': {'line': d.line - 1, 'character': d.column + len(d.name)}
diff --git a/pyls/workspace.py b/pyls/workspace.py
index 973ce394..29f898de 100644
--- a/pyls/workspace.py
+++ b/pyls/workspace.py
@@ -4,7 +4,7 @@
 import os
 import re
 import sys
-from urllib.parse import urlparse, urlunparse, unquote
+from urllib.parse import urlparse, urlunparse, quote, unquote
 
 import jedi
 
@@ -181,5 +181,10 @@ def get_uri_like(doc_uri, path):
     unicode objects.
     """
     parts = list(urlparse(doc_uri))
+    if path[0] != '/' and ':' in path:  # fix path for windows
+        drivespec, path = path.split(':', 1)
+        path = '/' + drivespec + ':' + quote(path.replace('\\', '/'))
+    else:
+        path = quote(path)
     parts[2] = path
     return urlunparse([str(p) for p in parts])
diff --git a/test/test_workspace.py b/test/test_workspace.py
index 37cbf2db..a66c1927 100644
--- a/test/test_workspace.py
+++ b/test/test_workspace.py
@@ -36,6 +36,10 @@ def test_bad_get_document(pyls):
 
 def test_uri_like():
     assert workspace.get_uri_like('file:///some-path', '/my/path') == 'file:///my/path'
+    win_doc_uri = r'file:///D:/hello%20world.py'
+    win_doc_path = r'D:\hello world.py'
+    win_uri = workspace.get_uri_like(win_doc_uri, win_doc_path)
+    assert win_uri == win_doc_uri
 
 
 def test_non_root_project(pyls):