diff --git a/gcc/gcc.c b/gcc/gcc.c
index 0df941892a0..f1bf9778e09 100644
--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -5130,7 +5130,7 @@ fatal_error (signum)
   kill (getpid (), signum);
 }
 
-extern int main PARAMS ((int, const char **));
+extern int main PARAMS ((int, char **));
 
 int
 main (argc, argv)