diff --git a/console-server.c b/console-server.c
index ef52e57..aec7a35 100644
--- a/console-server.c
+++ b/console-server.c
@@ -689,8 +689,14 @@
 	memmove(&console->pollers[i], &console->pollers[i + 1],
 		sizeof(*console->pollers) * (console->n_pollers - i));
 
-	console->pollers = reallocarray(console->pollers, console->n_pollers,
-					sizeof(*console->pollers));
+	if (console->n_pollers == 0) {
+		free(console->pollers);
+		console->pollers = NULL;
+	} else {
+		console->pollers = reallocarray(console->pollers,
+						console->n_pollers,
+						sizeof(*console->pollers));
+	}
 	/* NOLINTEND(bugprone-sizeof-expression) */
 
 	/* ... and the pollfds array */
diff --git a/socket-handler.c b/socket-handler.c
index 3abdc97..6268fca 100644
--- a/socket-handler.c
+++ b/socket-handler.c
@@ -97,8 +97,13 @@
 	/* NOLINTBEGIN(bugprone-sizeof-expression) */
 	memmove(&sh->clients[idx], &sh->clients[idx + 1],
 		sizeof(*sh->clients) * (sh->n_clients - idx));
-	sh->clients =
-		reallocarray(sh->clients, sh->n_clients, sizeof(*sh->clients));
+	if (sh->n_clients == 0) {
+		free(sh->clients);
+		sh->clients = NULL;
+	} else {
+		sh->clients = reallocarray(sh->clients, sh->n_clients,
+					   sizeof(*sh->clients));
+	}
 	/* NOLINTEND(bugprone-sizeof-expression) */
 }