diff --git a/util/cbfstool/amdcompress.c b/util/cbfstool/amdcompress.c
index b4e10a2c0e..ad6a039ee9 100644
--- a/util/cbfstool/amdcompress.c
+++ b/util/cbfstool/amdcompress.c
@@ -30,7 +30,7 @@ static struct option long_options[] = {
 	{"infile",           required_argument, 0, 'i' },
 	{"outfile",          required_argument, 0, 'o' },
 	{"compress",         required_argument, 0, 'c' },
-	{"maxsize",          required_argument, 0, 'h' },
+	{"maxsize",          required_argument, 0, 'm' },
 	{"uncompress",       required_argument, 0, 'u' },
 	{"help",             no_argument,       0, 'h' },
 };