diff --git a/project.py b/project.py
index 2bc7c8d..99868c2 100644
--- a/project.py
+++ b/project.py
@@ -102,10 +102,10 @@ def __init__(
 
         if self.is_user_project:
             self.sources = self.info.source_files
-            self.check_sources()
             if self.is_wokwi():
                 self.top_verilog_filename = self.sources[0]
             else:
+                self.check_sources()
                 self.top_verilog_filename = self.find_top_verilog()
         else:
             self.sources = [self.get_gl_verilog_filename()]