diff --git a/main.py b/main.py
index d4f1cc2..b0f9a34 100644
--- a/main.py
+++ b/main.py
@@ -149,6 +149,7 @@ async def fastapi_dump_inp(network: str, inp: str) -> bool:
 @app.get("/runproject/", response_class = PlainTextResponse)
 async def fastapi_run_project(network: str) -> str:
     if not app.state.is_simulation:
+        app.state.is_simulation = True
         result = run_project(network)
         app.state.is_simulation = False
         return result