diff --git a/iwinfo_lua.c b/iwinfo_lua.c
index 94913ac..1421111 100644
--- a/iwinfo_lua.c
+++ b/iwinfo_lua.c
@@ -134,21 +134,21 @@ static char * iwinfo_crypto_desc(struct iwinfo_crypto_entry *c)
 						sprintf(desc, "mixed WPA/WPA2 %s (%s)",
 							iwinfo_crypto_print_suites(c->auth_suites),
 							iwinfo_crypto_print_ciphers(
-								c->pair_ciphers & c->group_ciphers));
+								c->pair_ciphers | c->group_ciphers));
 						break;
 
 					case 2:
 						sprintf(desc, "WPA2 %s (%s)",
 							iwinfo_crypto_print_suites(c->auth_suites),
 							iwinfo_crypto_print_ciphers(
-								c->pair_ciphers & c->group_ciphers));
+								c->pair_ciphers | c->group_ciphers));
 						break;
 
 					case 1:
 						sprintf(desc, "WPA %s (%s)",
 							iwinfo_crypto_print_suites(c->auth_suites),
 							iwinfo_crypto_print_ciphers(
-								c->pair_ciphers & c->group_ciphers));
+								c->pair_ciphers | c->group_ciphers));
 						break;
 				}
 			}