1 files changed, 3 insertions, 0 deletions

diff --git a/sway/commands.c b/sway/commands.c
index dee03d71..8d199467 100644
--- a/sway/commands.c
+++ b/sway/commands.c
@@ -121,6 +121,9 @@ void input_cmd_apply(struct input_config *input) {
                 for (int i = 0; i < input_devices->length; ++i) {
                         device = input_devices->items[i];
                         char* dev_identifier = libinput_dev_unique_id(device);
+                        if (!dev_identifier) {
+                                break;
+                        }
                         int match = dev_identifier && strcmp(dev_identifier, input->identifier) == 0;
                         free(dev_identifier);
                         if (match) {