diff --git a/pr_agent/tools/pr_code_suggestions.py b/pr_agent/tools/pr_code_suggestions.py
index 0dea2e70..2aaf1320 100644
--- a/pr_agent/tools/pr_code_suggestions.py
+++ b/pr_agent/tools/pr_code_suggestions.py
@@ -614,11 +614,13 @@ class PRCodeSuggestions:
                     break
             if original_initial_line:
                 suggested_initial_line = new_code_snippet.splitlines()[0]
-                original_initial_spaces = len(original_initial_line) - len(original_initial_line.lstrip())
+                original_initial_spaces = len(original_initial_line) - len(original_initial_line.lstrip()) # lstrip works both for spaces and tabs
                 suggested_initial_spaces = len(suggested_initial_line) - len(suggested_initial_line.lstrip())
                 delta_spaces = original_initial_spaces - suggested_initial_spaces
                 if delta_spaces > 0:
-                    new_code_snippet = textwrap.indent(new_code_snippet, delta_spaces * " ").rstrip('\n')
+                    # Detect indentation character from original line
+                    indent_char = '\t' if original_initial_line.startswith('\t') else ' '
+                    new_code_snippet = textwrap.indent(new_code_snippet, delta_spaces * indent_char).rstrip('\n')
         except Exception as e:
             get_logger().error(f"Error when dedenting code snippet for file {relevant_file}, error: {e}")