diff --git a/wireguard-install.sh b/wireguard-install.sh
index f00f298..b775dc4 100644
--- a/wireguard-install.sh
+++ b/wireguard-install.sh
@@ -288,7 +288,8 @@ enter_custom_dns() {
 
 set_client_name() {
 	# Allow a limited set of characters to avoid conflicts
-	client=$(sed 's/[^0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-]/_/g' <<< "$unsanitized_client")
+	# Limit to 15 characters for compatibility with Linux clients
+	client=$(sed 's/[^0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-]/_/g' <<< "$unsanitized_client" | cut -c-15)
 }
 
 enter_client_name() {