diff --git a/python3/vimspector/utils.py b/python3/vimspector/utils.py
index 02b0c85..bc7c168 100644
--- a/python3/vimspector/utils.py
+++ b/python3/vimspector/utils.py
@@ -544,6 +544,7 @@ def ExpandReferencesInString( orig_s,
 def CoerceType( mapping: typing.Dict[ str, typing.Any ], key: str ):
   DICT_TYPES = {
     'json': json.loads,
+    's': str
   }
 
   parts = key.split( '#' )
diff --git a/support/test/python/simple_python/.vimspector.json b/support/test/python/simple_python/.vimspector.json
index a25a75b..044c669 100644
--- a/support/test/python/simple_python/.vimspector.json
+++ b/support/test/python/simple_python/.vimspector.json
@@ -60,7 +60,8 @@
         "stopOnEntry#json": "${StopOnEntry:true}",
         "console": "integratedTerminal",
         "args#json": "${args:[]}",
-        "env#json": "${env:{\\}}"
+        "env#json": "${env:{\\}}",
+        "igored#json#s": "string not json"
       },
       "breakpoints": {
         "exception": {