diff --git a/gslib/commands/signurl.py b/gslib/commands/signurl.py
index f1fd049ed0..c7cfa3da79 100644
--- a/gslib/commands/signurl.py
+++ b/gslib/commands/signurl.py
@@ -539,7 +539,8 @@ def RunCommand(self):
         # Need to url encode the object name as Google Cloud Storage does when
         # computing the string to sign when checking the signature.
         gcs_path = '{0}/{1}'.format(
-            url.bucket_name, urllib.parse.quote(url.object_name.encode(UTF8)))
+            url.bucket_name,
+            urllib.parse.quote(url.object_name.encode(UTF8), safe='/~'))
 
       if region == _AUTO_DETECT_REGION:
         if url.bucket_name in region_cache: