1 files changed, 4 insertions, 0 deletions

diff --git a/swaylock/render.c b/swaylock/render.c
index 05236dea..2032ddcf 100644
--- a/swaylock/render.c
+++ b/swaylock/render.c
@@ -23,6 +23,10 @@ void render_frame(struct swaylock_surface *surface) {
 
         surface->current_buffer = get_next_buffer(state->shm,
                         surface->buffers, buffer_width, buffer_height);
+        if (surface->current_buffer == NULL) {
+                return;
+        }
+
         cairo_t *cairo = surface->current_buffer->cairo;
         cairo_identity_matrix(cairo);