diff --git a/euclid/utils/llm_connection.py b/euclid/utils/llm_connection.py
index d229ba7..771f978 100644
--- a/euclid/utils/llm_connection.py
+++ b/euclid/utils/llm_connection.py
@@ -8,7 +8,7 @@ from jinja2 import Environment, FileSystemLoader
 from const.llm import MIN_TOKENS_FOR_GPT_RESPONSE, MAX_GPT_MODEL_TOKENS, MAX_QUESTIONS, END_RESPONSE
 from logger.logger import logger
 from termcolor import colored
-from utils.utils import get_prompt_components, escape_json_special_chars
+from utils.utils import get_prompt_components, fix_json_newlines
 from utils.spinner import spinner_start, spinner_stop
 
 
@@ -152,9 +152,9 @@ def stream_gpt_completion(data, req_type):
                 continue
 
             try:
-                json_line = json_loads_with_escape(line)
+                json_line = load_data_to_json(line)
                 if json_line['choices'][0]['finish_reason'] == 'function_call':
-                    function_calls['arguments'] = json_loads_with_escape(function_calls['arguments'])
+                    function_calls['arguments'] = load_data_to_json(function_calls['arguments'])
                     return return_result({'function_calls': function_calls});
 
                 json_line = json_line['choices'][0]['delta']
@@ -178,7 +178,7 @@ def stream_gpt_completion(data, req_type):
     print('\n')
     if function_calls['arguments'] != '':
         logger.info(f'Response via function call: {function_calls["arguments"]}')
-        function_calls['arguments'] = json_loads_with_escape(function_calls['arguments'])
+        function_calls['arguments'] = load_data_to_json(function_calls['arguments'])
         return return_result({'function_calls': function_calls});
     logger.info(f'Response message: {gpt_response}')
     new_code = postprocessing(gpt_response, req_type)  # TODO add type dynamically
@@ -189,6 +189,5 @@ def postprocessing(gpt_response, req_type):
     return gpt_response
 
 
-def json_loads_with_escape(str):
-    # return json.loads(escape_json_special_chars(str))
-    return json.loads(str)
+def load_data_to_json(string):
+    return json.loads(fix_json_newlines(string))
diff --git a/euclid/utils/utils.py b/euclid/utils/utils.py
index 5f4afcb..74cfa5e 100644
--- a/euclid/utils/utils.py
+++ b/euclid/utils/utils.py
@@ -182,21 +182,13 @@ def replace_functions(obj):
     else:
         return obj
 
-def escape_json_special_chars(s):
-    replacements = {
-        '"': '\\"',
-        '\\': '\\\\',
-        '\n': '\\n',
-        '\r': '\\r',
-        '\t': '\\t',
-        '\b': '\\b',
-        '\f': '\\f'
-    }
+def fix_json_newlines(s):
+    pattern = r'("(?:\\.|[^"\\])*")'
 
-    for char, replacement in replacements.items():
-        s = s.replace(char, replacement)
+    def replace_newlines(match):
+        return match.group(1).replace('\n', '\\n')
 
-    return s
+    return re.sub(pattern, replace_newlines, s)
 
 def clean_filename(filename):
     # Remove invalid characters