diff --git a/bsp/tm4c123bsp/libraries/TivaWare_C_series/tm4c123_driverlib/startup/gcc/startup_gcc.c b/bsp/tm4c123bsp/libraries/TivaWare_C_series/tm4c123_driverlib/startup/gcc/startup_gcc.c
index 550f440d72..4d145e6546 100644
--- a/bsp/tm4c123bsp/libraries/TivaWare_C_series/tm4c123_driverlib/startup/gcc/startup_gcc.c
+++ b/bsp/tm4c123bsp/libraries/TivaWare_C_series/tm4c123_driverlib/startup/gcc/startup_gcc.c
@@ -291,7 +291,8 @@ ResetISR(void)
     //
     // Call the application's entry point.
     //
-    main();
+    extern int entry(void);
+    entry();
 }
 
 //*****************************************************************************