diff --git a/src/tools/chdman.c b/src/tools/chdman.c
index eac2364fa0d..9868ec91dcc 100644
--- a/src/tools/chdman.c
+++ b/src/tools/chdman.c
@@ -3307,7 +3307,7 @@ static chd_error chdman_clone_metadata(chd_file *source, chd_file *dest)
     main - entry point
 -------------------------------------------------*/
 
-int CLIB_DECL main(int argc, char **argv)
+int CLIB_DECL main(int argc, char *argv[])
 {
 	static const struct
 	{
diff --git a/src/tools/romcmp.c b/src/tools/romcmp.c
index 71725fc1fae..a164a163fc4 100644
--- a/src/tools/romcmp.c
+++ b/src/tools/romcmp.c
@@ -553,7 +553,7 @@ static int load_files(int i, int *found, const char *path)
 }
 
 
-int CLIB_DECL main(int argc,char **argv)
+int CLIB_DECL main(int argc,char *argv[])
 {
 	int	err;
 	int total_modes = MODE_NIB2;	/* by default, use only MODE_A, MODE_NIB1 and MODE_NIB2 */