diff --git a/src/knownnetworks.c b/src/knownnetworks.c
index 51b62573..ccb67310 100644
--- a/src/knownnetworks.c
+++ b/src/knownnetworks.c
@@ -276,6 +276,37 @@ struct scan_freq_set *known_networks_get_recent_frequencies(
 	return set;
 }
 
+static bool known_frequency_match(const void *a, const void *b)
+{
+	const struct known_frequency *known_freq = a;
+	const uint32_t *frequency = b;
+
+	return known_freq->frequency == *frequency;
+}
+
+/*
+ * Adds a frequency to the 'known' set of frequencies that this network
+ * operates on.  The list is sorted according to most-recently seen
+ */
+int known_network_add_frequency(struct network_info *info, uint32_t frequency)
+{
+	struct known_frequency *known_freq;
+
+	if (!info->known_frequencies)
+		info->known_frequencies = l_queue_new();
+
+	known_freq = l_queue_remove_if(info->known_frequencies,
+					known_frequency_match, &frequency);
+	if (!known_freq) {
+		known_freq = l_new(struct known_frequency, 1);
+		known_freq->frequency = frequency;
+	}
+
+	l_queue_push_head(info->known_frequencies, known_freq);
+
+	return 0;
+}
+
 static struct l_dbus_message *known_network_forget(struct l_dbus *dbus,
 						struct l_dbus_message *message,
 						void *user_data)
diff --git a/src/knownnetworks.h b/src/knownnetworks.h
index 031ff780..06799a73 100644
--- a/src/knownnetworks.h
+++ b/src/knownnetworks.h
@@ -42,3 +42,4 @@ const char *known_network_get_path(const struct network_info *network);
 
 struct scan_freq_set *known_networks_get_recent_frequencies(
 						uint8_t num_networks_tosearch);
+int known_network_add_frequency(struct network_info *info, uint32_t frequency);
diff --git a/src/network.c b/src/network.c
index 62b9996e..884fc60d 100644
--- a/src/network.c
+++ b/src/network.c
@@ -592,36 +592,14 @@ void network_connect_failed(struct network *network)
 	l_queue_clear(network->blacklist, NULL);
 }
 
-static bool known_frequency_match(const void *a, const void *b)
-{
-	const struct known_frequency *known_freq = a;
-	const uint32_t *frequency = b;
-
-	return known_freq->frequency == *frequency;
-}
-
 bool network_bss_add(struct network *network, struct scan_bss *bss)
 {
-	struct known_frequency *known_freq;
-
 	if (!l_queue_insert(network->bss_list, bss, scan_bss_rank_compare,
 									NULL))
 		return false;
 
-	if (network->info) {
-		if (!network->info->known_frequencies)
-			network->info->known_frequencies = l_queue_new();
-
-		known_freq = l_queue_remove_if(network->info->known_frequencies,
-						known_frequency_match,
-						&bss->frequency);
-		if (!known_freq) {
-			known_freq = l_new(struct known_frequency, 1);
-			known_freq->frequency = bss->frequency;
-		}
-
-		l_queue_push_head(network->info->known_frequencies, known_freq);
-	}
+	if (network->info)
+		known_network_add_frequency(network->info, bss->frequency);
 
 	if (!util_mem_is_zero(bss->hessid, 6))
 		memcpy(network->hessid, bss->hessid, 6);