diff --git a/src/cli/main.py b/src/cli/main.py
index 7bec042..009fb21 100644
--- a/src/cli/main.py
+++ b/src/cli/main.py
@@ -76,16 +76,16 @@ def analyze(
         console.print(f"Graph contains {len(nodes)} nodes")
 
     if format == "dot":
-        exporter = DOTExporter(graph_builder)
-        content = exporter.get_string()
+        dot_exporter = DOTExporter(graph_builder)
+        content = dot_exporter.get_string()
         if output:
             Path(output).write_text(content)
             console.print(f"Exported DOT to: {output}")
         else:
             console.print(content)
     elif format == "json":
-        exporter = JSONExporter(graph_builder)
-        content = exporter.get_string()
+        json_exporter = JSONExporter(graph_builder)
+        content = json_exporter.get_string()
         if output:
             Path(output).write_text(content)
             console.print(f"Exported JSON to: {output}")
@@ -93,8 +93,8 @@ def analyze(
             console.print(content)
     elif format == "png":
         if output:
-            exporter = PNGExporter(graph_builder)
-            exporter.export(Path(output))
+            png_exporter = PNGExporter(graph_builder)
+            png_exporter.export(Path(output))
             console.print(f"Exported PNG to: {output}")
         else:
             console.print("[red]Error: PNG format requires output file path[/red]")
@@ -247,14 +247,14 @@ def export(ctx: click.Context, path: str, language: str, output: str):
     graph_builder.build_from_parser_results(results)
 
     if output_path.suffix == ".dot":
-        exporter = DOTExporter(graph_builder)
-        exporter.export(output_path)
+        dot_exporter = DOTExporter(graph_builder)
+        dot_exporter.export(output_path)
     elif output_path.suffix == ".json":
-        exporter = JSONExporter(graph_builder)
-        exporter.export(output_path)
+        json_exporter = JSONExporter(graph_builder)
+        json_exporter.export(output_path)
     elif output_path.suffix in [".png", ".svg"]:
-        exporter = PNGExporter(graph_builder)
-        exporter.export(output_path, format=output_path.suffix[1:])
+        png_exporter = PNGExporter(graph_builder)
+        png_exporter.export(output_path, format=output_path.suffix[1:])
     else:
         console.print(f"[red]Unsupported output format: {output_path.suffix}[/red]")
         return