diff --git a/tests/data/expected/main/space_and_special_characters/output.py b/tests/data/expected/main/space_and_special_characters/output.py
index 19cf7e1e1..6e542ca6f 100644
--- a/tests/data/expected/main/space_and_special_characters/output.py
+++ b/tests/data/expected/main/space_and_special_characters/output.py
@@ -26,8 +26,21 @@ class Values(BaseModel):
     field_2_Step: str = Field(..., alias='2 Step')
 
 
+class Recursive1(BaseModel):
+    value: float
+
+
+class Sub(BaseModel):
+    recursive: Recursive1
+
+
+class Recursive(BaseModel):
+    sub: Sub
+
+
 class Model(BaseModel):
     Serial_Number: str = Field(..., alias='Serial Number')
     Timestamp: str
     Data: Data
     values: Values
+    recursive: Recursive
diff --git a/tests/data/json/space_and_special_characters.json b/tests/data/json/space_and_special_characters.json
index 1f9f9eece..ed3c9d151 100644
--- a/tests/data/json/space_and_special_characters.json
+++ b/tests/data/json/space_and_special_characters.json
@@ -15,5 +15,12 @@
     "values": {
         "1 Step": "42",
         "2 Step": "23"
+    },
+    "recursive": {
+        "sub": {
+            "recursive": {
+                "value": 42.23
+            }
+        }
     }
 }
\ No newline at end of file