diff --git a/main.c b/main.c
index 528e69d..429dcfe 100644
--- a/main.c
+++ b/main.c
@@ -398,6 +398,11 @@ show(int sigint) {
 	drwsurf_flip(&draw_surf);
 }
 
+void
+pipewarn(int sigint) {
+	fprintf(stderr, "wvkbd: cannot pipe data out.\n");
+}
+
 int
 main(int argc, char **argv) {
 	/* parse command line arguments */
@@ -530,6 +535,7 @@ main(int argc, char **argv) {
 
 	signal(SIGUSR1, hide);
 	signal(SIGUSR2, show);
+	signal(SIGPIPE, pipewarn);
 
 	while (run_display) {
 		while (wl_display_dispatch(display) != -1 && layer_surface) {