diff --git a/git.c b/git.c
index c1ee7124ed..ce6ab0ece2 100644
--- a/git.c
+++ b/git.c
@@ -369,8 +369,7 @@ static int handle_alias(int *argcp, const char ***argv)
 			die(_("alias '%s' changes environment variables.\n"
 			      "You can use '!git' in the alias to do this"),
 			    alias_command);
-		memmove(new_argv - option_count, new_argv,
-				count * sizeof(char *));
+		MOVE_ARRAY(new_argv - option_count, new_argv, count);
 		new_argv -= option_count;
 
 		if (count < 1)
@@ -385,7 +384,7 @@ static int handle_alias(int *argcp, const char ***argv)
 
 		REALLOC_ARRAY(new_argv, count + *argcp);
 		/* insert after command name */
-		memcpy(new_argv + count, *argv + 1, sizeof(char *) * *argcp);
+		COPY_ARRAY(new_argv + count, *argv + 1, *argcp);
 
 		trace2_cmd_alias(alias_command, new_argv);
 		trace2_cmd_list_config();