diff --git a/bsp/ESP32_C3/rtconfig.py b/bsp/ESP32_C3/rtconfig.py
index e6b2022c51..12caa433a4 100644
--- a/bsp/ESP32_C3/rtconfig.py
+++ b/bsp/ESP32_C3/rtconfig.py
@@ -17,6 +17,7 @@ else:
 
 if os.getenv('RTT_EXEC_PATH'):
     EXEC_PATH = os.getenv('RTT_EXEC_PATH')
+EXEC_PATH = os.path.expanduser(EXEC_PATH)
 
 BUILD = 'debug'