diff --git a/src/intel/tools/aubinator.c b/src/intel/tools/aubinator.c
index 4b4ba48445e..f571370d71a 100644
--- a/src/intel/tools/aubinator.c
+++ b/src/intel/tools/aubinator.c
@@ -297,7 +297,7 @@ int main(int argc, char *argv[])
       { "no-offsets",    no_argument,       (int *) &option_print_offsets, false },
       { "gen",           required_argument, NULL,                          'g' },
       { "headers",       no_argument,       (int *) &option_full_decode,   false },
-      { "color",         required_argument, NULL,                          'c' },
+      { "color",         optional_argument, NULL,                          'c' },
       { "xml",           required_argument, NULL,                          'x' },
       { "max-vbo-lines", required_argument, NULL,                          'v' },
       { NULL,            0,                 NULL,                          0 }
diff --git a/src/intel/tools/aubinator_error_decode.c b/src/intel/tools/aubinator_error_decode.c
index 6a4d42e53c2..6d9ead5338e 100644
--- a/src/intel/tools/aubinator_error_decode.c
+++ b/src/intel/tools/aubinator_error_decode.c
@@ -759,7 +759,7 @@ main(int argc, char *argv[])
       { "no-pager",   no_argument,       (int *) &pager,                false },
       { "no-offsets", no_argument,       (int *) &option_print_offsets, false },
       { "headers",    no_argument,       (int *) &option_full_decode,   false },
-      { "color",      required_argument, NULL,                          'c' },
+      { "color",      optional_argument, NULL,                          'c' },
       { "xml",        required_argument, NULL,                          'x' },
       { "all-bb",     no_argument,       (int *) &option_print_all_bb,  true },
       { NULL,         0,                 NULL,                          0 }