diff --git a/libfprint/drivers/aes2501.c b/libfprint/drivers/aes2501.c
index 53d3bb5e..388b70e9 100644
--- a/libfprint/drivers/aes2501.c
+++ b/libfprint/drivers/aes2501.c
@@ -822,7 +822,7 @@ complete_deactivation (FpImageDevice *dev)
    * maybe we can do this with a master reset, unconditionally? */
 
   self->deactivating = FALSE;
-  g_slist_free (self->strips);
+  g_slist_free_full (self->strips, g_free);
   self->strips = NULL;
   self->strips_len = 0;
   fpi_image_device_deactivate_complete (dev, NULL);