diff --git a/tc/m_gact.c b/tc/m_gact.c
index c0a938c7..2bfd9a7c 100644
--- a/tc/m_gact.c
+++ b/tc/m_gact.c
@@ -73,7 +73,7 @@ get_act(char ***argv_p)
 {
 	int n;
 
-	if (!action_a2n(**argv_p, &n, false)) {
+	if (action_a2n(**argv_p, &n, false)) {
 		fprintf(stderr, "bad action type %s\n", **argv_p);
 		return -10;
 	}